Rb25det high idle By Trilbyte Started November 15. By The jury is still out regarding whether I build a stock stroke RB25DET engine, or build an RB30 based unit for my track R33 GTS-t. at . Engine seemed to misfire after being driven and the idle would pick up and drop to the point it almost stalls or does stall, tends to drop rpm after accelerating from a stop, so I find I'm keeping the revs higher in order to pull away without stalling. Hi all, im currently building a RB25det to go in my PS13, - cranking RPM looks high. Then lean in boost To my surprise, the motor isn't idling at stoich which is strange it averages around 12. As soon as you take off it rises pretty quickly to around the Hi as title mentions I have an ongoing problem with my Skyline. spitfire coils Hi all, Seems idle issues are common on Rb25's mines stock, no mods. type g with more kouki bits :wack: - RB25DET to be installed, GTR twin turbo conversion, RB26 crank & rods. With the accelerator pedal fully released, turn the key to ON for exactly 3 seconds. Hi Adam, I disconnected each injector while idling, it made the typical misfire, but still didn't replicate the big up and down of the idle. I’m currently building ’99 r34 rb25 neo non turbo. I know in most Nissan the TPS will read 0. I fancy a short stroke engine, the RB25 seems a lot smoother than even the RB26 DETT, and that appeals, I was wondering if anyone has built a seriously high RPM RB25D Genuine Nissan Idle Air Control Valve AACV for Rb25det Neo R34 23781-aa500. 7 mark with O2 correction on. 150 posts Page 5 of 10. Post Reply Print view; I wonder if your not pulling a bit of oil in through the intake manifold while idling for some reason. it runs smoother at high rpm and dies out at lower rpm. Rb25det neo set timing. idles decent, drives decent then chokes to stall. 2v at idle. I cleaned the MAF sensor and throttle body shortly after purchasing the car because of a rough idle issue which ended up being related to bad coils. It was at about 2300RPM with spring still in and once I removed the spring it was good once I adjusted the AAC Valve on the intake to a nice idle. At idle (around 800), its got about 16 deg, but at the rev point below idle its got 19. Don't know the value from my head though, I think for the RB25DET it's 650-700 rpm. you first need to adjust the idle, the idle fuel pressure was too high right off the bat. Hey guys, just after some advice on leaning out my cars idle and cruise AFR's to save some fuel in traffic and on long highway drives. A slight rough idle can happen from an exhaust leak prior exhaust o2 sensor. on cold start when rpm is around 1100 it used to show less vac, like 15 or something, till the revs dropped, but now it sits on 20vac at cold start. Upon warm restart, engine idle would drop below 500 rpm and almost stall, 3. Air/fuel ratio seems to jump around alot at idle. Running the car at idle without the If your regulator has a hose connected to it and you're pulling 18-20inHg at idle - that's like -10psi from the base fuel pressure. start idle up device under the plenum, a solenoid for A/C on and PAS. In the beginning it was noticeable at idle but 1. I was getting a hard start and running rich at idle. Is there a way or known numbers for timing advance that will allow me to run the car safely and make all the fueling work ( including idle , cold start and so on ) i am not taking performance into account , just make it run on pump RON98. It fired up yay Sounds like a Subaru . If I fired up the car and it goes into cold idle it sits around 1500 or higher depending on what I'm asking the car to do (ie: get Hey guys i have a series 1 rb25 that once it warms up it likes to idle funny. car setup: rb26dett bottom. Are my voltages normal? It's normal for the engine to idle slightly higher when it's cold and reduce as it reaches operating temperature. This will also fit; - R33 Nissan Skyline RB25DE 1993 - 1998 - C35 Nissan. So I have a RB25DET and recently switched over to a Haltech Platinum Pro ecu. NEO RB25DET with Q45, Greddy Plenum, T61 turbo(7psi), Walbro, Adjustable Regulator, 3" Exhaust Straight thru. Maybe because I'm getting older it's starting to annoying me more. Apparently produces more torque to pull the engine out of a stall. When I first start it up the idle is fine, then I will rev it up and when the rpms come back down the idle will get very low, almost die (sometimes does die), and then just fluctuates from really low to normal idle. I have Don't know the value from my head though, I think for the RB25DET it's 650-700 rpm. 93' 240sx w/ RB25DET series II Freddy intake, Buddy Club, FMIC, Profec B. Oil pressure is about 40psi at idle and a bit over 60 at higher revs from memory, this is when car is warm. 80psi @ 6000 rpm. This is the wire to use for the timing light. Save Share Nissan RB25 Fuel Upgrade Kit! Clean Injection 1000 Series Bosch ev14 1000cc High Impedance Fuel injectors, Radium Engineering Top-feed fuel rail conversion kit (part number:20-0277) with -6AN end fittings, and Plug & Play fuel injector connector adapters. This can be done by using the HCR32 Idle switch firmware will simulate the TPS switch which RB25 engines do not have. When your RB series motor is warmed up and idling it is your AAC valve which controls the amount of air entering your engine in order to control your idle. , Auxillary Air Control Cleaning for RB25DET's. When I start the engine, (or when the engine is 'cold'), after a minute or two, it registers a norman idle speed (hovering over 700 to 800rpm) but after about 30 minutes of driving (when engine is 'hot'), say, while I am waiting for traffic light, I notice high idle speed (1000 to 1200rpm) in "Drive" and I have to press the brake harder than normal to hold the car. Wanting a driver's seat to replace my old school OG jap race seat, going to re-register the car so need a factory seat. 2. R33 GTS-t High Idle and Stall prevention?? What you need to do is set up idle ignition control and use this to significantly advance/retard the timing as you cycle around the idle target. Have checked firing New to the academy and tuning and love the courses I have watched so far but have a question about my IAC. 00. Post Reply Print view; Search Advanced search. At 80•c at idle it’s about 0. Th Hi, great article. i have just set my VE map to 128 in all cells and just left it like that, but i'm only aiming for the normal 14. spitfire coils Discuss the RB20, RB25 and RB26 series engines. If i leave it off for 2 minutes and start, it'll idle fine until revving. At the back of the head there is a white wire in a loop, just near the coil pack plastic connector. I didn't get far though before realising that the Neo AAC valve assembly is quite a bit different to the previous RB25DET's, some pics below. Recently picked up an R33 GTST, S1. Being a hybrid, fuel economy is a lot more On the AAC unit there is another solenoid, a skinny roundish one, that is for A/C and you dont need it. My skyline has low oil pressure at warm idle according to the factory gauge. Since posting, I have played with many idle settings, have been using open loop, changed base position while car is heating up, but once it gets above approx 80 deg it starts going up and down again. it Doesnt change whether its cold or hot and i have checked all vacuum lines, every gasket on the intake side of the engine, basic Timing makes a big diff in power on RBs. it idles and runs around at low load real nice. Below is the Rb25det Hitach turbo high flow catalog with few dyno sheets. then for no reason, the rpm will pick The high idle has always been there even before the rebuild and after remapping by RSP. Installed it. 7 AFR. Multics Discussion starter 731 posts · Joined 2008 Add to quote; Only show this user #1 Is there a way or known numbers for timing advance that will allow me to run the car safely and make all the fueling work ( including idle , cold start and so on ) i am not taking performance into account , just make it run on pump RON98. It idles fine when i start it in morning and after revving pass 2000rpm, it just idles too low and sometimes cuts off, most of the time, cuts off. 78 postive. I then unplugged the tps which is supposed to lock it to 15 deg. cold start she is very grumpy to get started cough's n splutters for a little bit then I know the idle and AC idle settings are likely two separate problems, but they're driving me nuts. Hey guys so I needed to do an EGR delete, plate is on, and the hole is plugged. The control line is held high (+12v) until its time to charge the coil, at which point the line goes Im having problems with high idle on rb20 got idle turned all the way down and still idles about 1500rpm messed with the TPS still doing the same thing. that valve is connected inline on the same intake pipe as the AAC valve but is situated under the intake plenum on RB25’s) Car in Question: 1993 Model Nissan Skyline R33 GTS If the idle speed is high, turn off the engine and disconnect two fuel injectors to bring the idle speed down. My car idles fine and has nice power etc but if i just tap the accelerator lightly and keep it there (say, try to go from 850rpm -> 1000 rpm) the engine stalls. 66. So I already cleaned Hi got a haltech elite 2000 with a wideband CAN controller all set up downloaded base maps for an rb25det which is slightly modified with 850cc flow tested injectors with high mount turbo Nissan Skyline. Recently cleaned my injectors, fuel filter and new spark plug. The solution for all high power RB engines is to use a crank trigger kit, of which there are many suppliers. Discussions concerning the M7790 cpu. 2v at IGN on but engine off, but shoots up to 2. There is a tutorial on cleaning the air regulator here but it is for a different motor and it is a lot harder to do on a rb25. Try 450? - I spent a while on the idle settings, so you can use some of my stuff. I dont think its an issue with pulse control on the Lack of TPS idle switch on this ECU is handled by internal limp value settings. Is this normal? I am getting code 43 which is TPS system. Spark mode: Nissan RB25; Trigger Angle / Offset: 0 (adjust as needed if your timing doesn’t line up) Ignition input capture: Rising edge Hi people I’ve got an rb25det neo. tyleydun Discussion starter. idles @ around 2000rpm after 5 mins of working away she hits a pretty cock solid 1500 and stays t Hi All, Feeling pretty dumb after this one, but I'm still learning. IMPORTANT LINKS. 1000cc bosch injectors. 7 A/F when warm. Running the car at idle HOWTO: RB25DET High Boost mode with standard solenoid Intended Audience: Stock RB25DET owners Technical Level: Very Easy Duration: 5 minutes Effort: Easy Result: The misfire gradually got worse and is now quite noticeable at idle and when accelerating from idle to about 2800rpm, it is a constant stutter/misfire. I've been having a high idle issue on my R33 skyline GTST since the ecu went in and I cant seem to find out what the problem is. Under the ignition setup menu, set the following. I have only owned this car a couple months now. Est. To set Idle • Start car and warm up Idle Air Control Valves; VVT / VCT Solenoids; Crank Position Sensors; Fuses; Horns; At JDMGarageUK, we offer high-quality forged engines exclusively on an exchange basis. When cold, at light throttle input, a 4. On the RB25DET (not asked by the thread starter) Make sure the car is at operating temperature. UPDATE**was able to reproduce the issue in the garage a few days ago, it was the o2 sensor. com/redsunperformanceparts/Instagram: www. Is there any corelation to this what Link g4 shows? How to set up the correct timing angle? Hey all, just installed oil temp/pressure gauges in my car. J. By Ak brar Started September 28. Hi all, I just tried cleaning the AAC valve on my R34 (RB25DET Neo) using these instructions: Diy Aac Valve Cleaning & Idle Reset. ****SOLD****102 187 Kilometres For more information, you can reach us via: Facebook:www. Buy direct with global shipping to your door from Osaka, In addition to increased engine response and power this Rb25det idling rough and stalling . DELIVERY; QUICKPAY; This idle air control valve is for NISSAN RB25DET NEO engines. I also disconnected the IACV to see if it was causing the high idle but appeared to do nothing, it still idled at 1100rpm. The car is a R33 RB25DET, I run the car on 98 octane petrol. The rough idle is resolved so next is the high Hi people I’ve got an rb25det neo. Adjustable Cam Pulleys; Bearings; Bolts, Studs & Fasteners; JDMGarageUK Nissan RB25DET NEO Fully Forged Rebuilt Engine £10,139. 59 £8,449. Drove the car around for a while today. I have Very simple fix of replacing the old worn out coilpacks and replacing the spark plugs. So before it started I did the cas calibration etc and tps. i made the same problem too bro, you have to remove the coolant fast idle mechanism from the q45 tb, cause right now your throttle is Hello guys i had my car running right for about a year now well reccently it has been acting up at idle/start. 8bar and highest it ever gets at 7k rpm is at 3. Flows approximately 20% more air than OEM. The spark plugs I’m running are NGK 4644. i just got a question about the transition range (high load) and the low/ medium boost range. Have a watch with a sweep second hand or a stop watch for the next steps. 5, and I am very worried about the timing issues. 0-100km/h takes about 14psi @ idle. 3 posts I spent about 2 hours trying to figure out why I couldn't get my base idle to where it needed to be (S1 RB25Det, FMIC, 3in turbo back exhaust). The funny thing is that when it was stock it Make sure the idle is @ approx 650rpm to set the timing. Free shipping. first the motor would idle high then cycle to low then high. RB20DET / RB25DET / RB26DETT Forum QR Series VH45DE / VK45DE / VK56DE Forum Hybrids; Nissan Motorsports Nissan Road Racing / . Can probably check tomorrow if no one else here knows. car started After putting on my greddy intake manifold, it seems I have an unusually high idle, sometimes at around 1800-1900 rpms. ADVANCE High Efficiency Alternator 130A Black - Nissan RB20E RB20DE RB20DET RB25DE RB25DET RB26DETT. Car is an R32 RB25DET stock internals, HKS GT-RS kit, FMIC, Nismo 700cc pull up at lights and making a strange faster Idle, Used to be around 11:1 or so. Same issue. 8 Clean the air regulator the easy way. I'm running a Wolf 3D on a Stagea RB25DET, standard injectorsa, but light flywheel. Correct oil pressure for an RB25DET. rb25; idle rough; lean afr; By hardsteppa, July 23, 2019 in R Series (R30, R31, R32, R33, R34) Share I have a r33 rb25det. And after the TPS is connected, its 15. Drove the car this way a bit and the car felt much better. 4% positive feedback; Price: $549. I have DC Power Engineering 270 Amp XP High Output Alternator - Nissan Skyline RB20, RB25, RB26. 6 Cylinder NA (naturally aspirated) engines. Is there any corelation to this what Link g4 shows? How to set up the correct timing angle? I have only owned this car a couple months now. Hi all. not sure which of The setup is a stock rb25det neo longblock with a gtx3076 gen 2. 58 PSI 189cc/min 200hp; 58 PSI 284cc/min 300hp; The issue I'm looking to get help on is the notorious high idle which is throwing the code P0507. i know the throttle butterflys have been cleaned and suspect that being the cause ( suspect, correct me if im wrong -_- ) looking for the best way to fix it , i can pull the manifold off ( time is money ) and spray the butterflys with TOMEI butterfly sealer ( if its still avaliable ) Hi got a haltech elite 2000 with a wideband CAN controller all set up downloaded base maps for an rb25det which is slightly modified with 850cc flow tested injectors with high mount turbo and a front facing intake manifold. Tuning: General. It seems to be running fine with good power, and my knock detection device Isn't picking up too much noise. Make note that the Pulsar N14's GA16DE version uses a smaller internal shuttle valve size , R33 RB25 and S14/15 SR20DET are same . My car has the same issue after coming off a high boost run and mine are VTA as well (straight vented, Hey Dave, I haven't had a problem with my RB25 but i did have with a RB30 in a R31, It used have very noise lifters after a thrash on the track, what i did was i ran diesel engine Oil for a while about 4 months because it has a high detergent content, , it'll remove the sludge build up in the engine I used BP Vanellis its a very stable oil you need to change your oil and When your RB series motor is warmed up and idling it is your AAC valve which controls the amount of air entering your engine in order to control your idle. at full throttle im getting 3. I have verified the wiring is correct. There are no vacuum leaks, no vented catch cans or anything as such, My car seems to be running fine at idle around 14-15 lambda but when I reach boost it starts dropping and going really rich. 2 min duty, 88 max duty, 2. Hi there. Idle issue rb20 r32gtst. I installed some deutchwerks 800cc injectors and z32 AFM. It idles a little better, but still on the rich side. Cause of mine. 3mm metal headgasket 3 inch exhaust system air filter gtr front mount intercooler walbo 255ltr fuel pump manual bost controller red jacket coil packs Discuss the RB20, RB25 and RB26 series engines. Designed around the 3 bolt R33 IACV flange, this billet housing uses a common GM 4 pin Stepper motor that is easy to source and setup. and my signal wire is getting . 03:37: Once this table is configured, we can adjust the idle base position table. I'd prefer to have a crack at this before having to take it back to the tuners to As you all know the standard R33 RB25DET boost solenoid (value controller) is 5psi until rpm is greater than 4500rpm and then its 7-8psi. Discuss the RB20, RB25 and RB26 series engines. Running a RB25DET NEO and was just wondering what it should be running at. Hi. Be the first to write a review. Adjusted timing offset on g4+ to read 15 on timing mark (still high idle) 6. Images; Options; Description; Compatibility; Questions; Reviews; No Customer Questions Yet. I drive kelford cams 262/262 without vvt. However, like any high-performance engine, it requires regular maintenance to keep it running smoothly. 82 internally gated turbine housing with Nissan OEM bolton pattern, braided oil feeding line and a high pressure actuator. 6 and load is 14-15. ecu-link-map-start The RB26 base idle is quite higher than the RB25/20. Had a z32 maf and safc laying around. Make sure the idle is @ approx 650rpm to set the timing. The control wire will be driven by the ECU and uses a lot lower current than the two wire type, some use a 5v control but 12v is most common. Neo vct cuts in much earlier, from idle, and is active all revs to 5700rpm for turbo and 5400rpm for n/a wheras earlier RB25 ranges are 1050 - 5700 and 1050 - 5400 respectively The jury is still out regarding whether I build a stock stroke RB25DET engine, or build an RB30 based unit for my track R33 GTS-t. Introducing the Outsider Garage Billet Idle Air control Valve for the Nissan RB25DET. In this video I fixed the high idle condition That my engine is showing. the biggest variable is the rpm switching off this is dependant on the year of engine and cams fitted . They only have a TPS variable voltage input. Injector duty cycle at idle is between 1-2%. Without it, the engine cant keep a steady idle to stay on when the engine is cold. Below are the settings from our R34 GTT RB25DET base map. If the TPS input is below this value then 'TPS idle' is lit and idle enrichment/timing tables are used. the fact that it idles at 17-18 AFR tells me that something isn't setup right. HOWTO: RB25DET High Boost mode with standard solenoid Intended Audience: Stock RB25DET owners Technical Level: Very Easy Duration: 5 minutes Effort: Easy You can try capping the power steering idle up valve at both What you need to do is set up idle ignition control and use this to significantly advance/retard the timing as you cycle around the idle target. GeeTeeTee34 · Registered. 8 posts • Page 1 of 1. I took it and got it retuned, as the last tune was very old and outdated. 1v at 700-900rpm (at the meter itself), higher idle higher the figure on multimeter, also shake meter a little, does it The one, however, belives that the TPS is causing the high idle because durring a test drive we noticed the car would come down to normal idle (750rpm +/- 100rpm) durring Update - I've compared all pins from this engine (series 1) with all pins from a series 2 RB25DET while idling. 0 adder Discuss the RB20, RB25 and RB26 series engines. O RB25DET UNTUNED IDLE. This can be done by using the 'Ign Corr' table. I'm running a nistune, I had payed a reputable tuner to send me a base map for the set up. 03:34: This needs to be adjusted to suit your engine. The down side to turbos which are big in size and big in HP is that they need the engine to rotate faster (higher RPM) to get the things spinning fast enough for them to make the higher HP. Quote; Link to comment Share on 42lb/hr Hi-Z inj. Thanks in advance. When i got the motor the purple plug on the idle air control valve was broke off. . hey guys, i have a R31 with a RB25DET in the engine bay thats causing me some headaches. I changed the headgasket about 6 months ago to a cometic rascal (for the higher boost later on) after shearing exhaust manifold studs and popping the head off to drill em out, other than that the engine is standard internally. that valve is connected inline on the same intake pipe as the AAC valve but is situated under the intake plenum on RB25’s) Car in Question: 1993 Model Nissan Skyline R33 GTS 【Compatible】- Compatible OEM part number of this Idle Control Valve Speed is AC186, IAC186, 16022-P2A-J01, AC184, AC254, 2H1081, MD628119, MD628174, MD628117, 16022-P2E-A51 【Easy to install】- Easy I have been doing some research for a few months now regarding the upgraded turbo setup I want to put on my rb25 series 1 swapped s13. 63v at throttle closed and fully adjusted as far as it will go. 0L/100km, but have returned mid to high 6 on the highway. I turn the car on in the morning and idle is high, 1500-1700rpm, but stable. The air regulator is usually a cause of high idle. 60psi @ 2000. turn on > 1200 rpm. Edited March 13, 2013 by David GArcia. Smoking at idle - RB25DET. I'm just after some ideas on what a Idle is currently 13. However recently my car has begun idling at around 1200rpm even when warm, Especially an issue now when cars are getting higher in the k's n more blowby n vapours in the rocker covers to then end up in the intake plenum. according to my rb25 experiences. Car has uprated turbo,injectors, fuelpump, maf,ebc. Reply to this topic; Start new topic; Prev; 1; 2 Does anyone know the part # for a RB25Det series 2 o2 sensor? If you’re a proud owner of a Nissan Skyline, chances are you’re already familiar with the iconic RB25DET engine. 1 had a square bosch connector with a wire retainer that you had to take out with a pick. Finally Started RB!! But High Idle, Help! 3769 Views 41 Replies 11 Participants Last post by KAflyer91, Oct 8, 2010. Temp is around 85-90 degrees once warm and driving. I drive without engine idler it was broken when I got the engine so I run without it. After a couple of weeks of sleuth work this is now resolved, thank goodness. Highest value achived when cranking was 5%. Have any questions about this product? The other problem with Z32 on RB25 is the lack of a TPS switch which the Z32 ECU expects and the RB25 doesnt have. I get home, park up really quick and it's smoking like at the lights so I turn it off quickly. AbsoluteSpeedParts (5024) 99. The compliance sticker says it should be 650rpm and so AARGH! Same readings both from Datascan and on the multimeter: voltage from MAF is 0. Also tried crimping Note: We originally tried using high quality electrical tape instead of the liquid tape. Hello, My car shows in Link G4 ignition angle parameter BTDC around 5-6 on idling (around 1000 rpm) What correct timing angle should be in rb25det then. We look at the TPS input compare it against 'TPS Trigger voltage' in the constant list table. 13 posts • Page 1 of 1. Seeing if you had any ideas. Hello guys i had my car running right for about a year now well reccently it has been acting up at idle/start. Running like shit, but here it is! Find many great new & used options and get the best deals for NEW GENUINE Nissan Idle Air Control Valve AACV for RB25DET NEO R34 B3781-AA500 at the best online prices at eBay! Free shipping for many products! When the car is at idle (cold or at operating temp) and you put it in gear the revs jump immediately to 2000rpm, if you keep the clutch engaged and take it out of gear this does not happen, only when you put it in gear, any gear? This problem is driving me nuts, I have checked for vacuum leaks, i It's big brother RB25DET takes all the limelight as the project engine with it's turbo and high power figures, the following flywheel power targets will assume an injector duty cycle of 80% and a base of 58psi of fuel pressure at idle. Save Share All 6 of my injectors died a slow death within the space of half a year after fitting an aftermarket ebay 385L/h pump and switching to E85. Share Hi all. Ditched the z32 maf setup and safc and installed a good stock rb25det j60 green label maf. When mentioning the rb25 running hot you might mention that not removing coil pack cover on head gasket can result in heat damaged coil packs on higher km/m engines. car was better and was able to drive around my neighborhood. greddy plenum single tb. load idle up, and a stepper motor device for normal idle speed control (and a throttle butterfly and accelerator pedal of course :-)) My. full throttle up hill in a gear to high, reason i want to fix up this miss is so I can get the SITC, SAFC and EBC tuned to get rid of this cut im start idle up device under the plenum, a solenoid for A/C on and PAS. sometimes more. 023 and my tuner . These engines use PWM idle control and boost control, both of which can be done using the MS3X medium current outputs. They are built with a larger . The car ran rich when I got it, which was fixed by adjusting the TPS to correct voltage, but the idle seemed a little off still. It sets a P0507 code regularly. The PCM cannot relearn if the idle speed is too high. 14psi @ idle. yeah mate, lean idle issue - RB25DET yeah mate, lean idle issue - RB25DET. Ross Honnor Hi Thomas idle switched off typical set up would be . DELIVERY; QUICKPAY; Finally Started RB!! But High Idle, Help! 3769 Views 41 Replies 11 Participants Last post by KAflyer91, Oct 8, 2010. 12 24 36 Compare so tested my rb25det tps tonight, im getting 14. the problem i'm having it it has nearly no vacuum at idle when it idles at 1500rpm. One major issue with this is that the drive belt and camshaft vibrate at high RPM, with higher lift camshafts performing much worse. I was just wondering if this could be what is causing it to idle surge. 050 on 114LSA cam sequential fuel and sequential spark LS3/LSA card MAF sensor 97 Mazda MX5 MS3 2002 vvt motor not sure on the RB25 but the KA motors had 3 idle speed valves. Recently set my base map ahead of a tune at a workshop, Idle control - RB25det neo - post dyno tune Idle control - RB25det neo - post dyno tune. Iv got the car to start and idle fine when cold but then the car will start hunting for idle once at temps over 70 At 107degrees mine will go down to about 1. It will not catch idle after rev. Generally for the 'ghost cam' affect I tend to set the break points a little closer than the default map - Perhaps 25 rpm increments. Being a hybrid, fuel economy is a lot more RB25det hunting for idle . Hi all, running into a issue where on a cold start the car runs fine and all coil packs are working properly but once the car warms up the 5th coil has no effect to the idle and the spark plug is covered in soot upon removal. Hello. Timing should be at 15deg btdc (middle mark) Don't advance it to much over the factory, its already tuned for high octane jap fuel. high idle/FICD problem. Over time the regulator may get stuck and seizes at a point making it hard to set idle right and start. Idle Air Control Valves; VVT / VCT Solenoids; Crank Position Sensors; Fuses; Horns; High Temperature Sealant; Engine Parts. JohnG Hi, I have a problem with rough idle on my rb25. RB25det hunting for idle . Joined Apr 7, 2015 · 2 Posts Hi all, today i was trying to verify my base timing and ran into some issues. The specs of the car are: RB25DET Stock Internals 1. Ok so I just got my rb swapped s13 home the other night and On the few drives I’ve gone on so far I’ve had a rough idle that leads to stalling issues, breaking up and she begins to run very rich. HOW DOES IT WORK? The AAC valve consists of a - R33 Series II RB25DET AAC : WHAT IS THE PART NUMBER AND COST? R33 Series II RB25DET AAC. nos487 Posts: 224 My rb20 has a high idle cold and warm. 80psi @3000 . Lets say im targeting 11. Product # {{ productPartNumber }} $ 654 95. 18 negitive 5. Stuttering/low idle/near stall/stall when stopped in gear 2. This kit is a direct fit for the Nissan Skyline R33 GTS-T RB25DET non neo engine with factory intake manifold, Greddy The RB25DET turbo provides more power and is relatively simple to mate to an RB20 block requiring only oil and air line rerouting. T. agenda, A/C is ditched, and with the cams a fairly high idle is needed ive got a related question. 78 volts, is my tps stuffed? got a 4 inch throttle body on PU high flow option is available for any one chasing for 450 to 500HP. Has anyone else experienced this? It has a stock S2 RB25DET with stock turbo from an R34 NEO25 on 10psi using an RB20 actuator so no I got it back to my mates place. Save Share Reply Quote Like. however my q45 TPS and r33 TPS is showing ~5v at idle. Only a few mm above zero. at idle (warm) my boost gauge shows the normal ~20 vac (psi gauge). 82 exhaust housing Reconnect the AAC Valve connector and the idle should be approx 650rpm (+ or - 50rpm) If the idle is higher, make sure the diagnostic screw on the ecu is fully anticlockwise as this can increase idle if not fully anti-clockwise. i have mine idling at ~14. delivery Tue, Sep 3 - Fri, Sep 6 so, car is a 1996 s2 R33, RB25DET engine, running a PFC and aftermarket fuel rail. Share I also have pretty high fuel consumption - my 60L tank gets me about 300 to 330km city driving and high 3's for freeway. RB25DET Spec 1, RB25DET Spec 2: Lead Time: In Stock: To Top. NISMO_RB25 Posts: 1066 Joined: Thu Nov 06, 2003 4:40 am Car: 1992 240SX with RB25DET, 1987 RX-7 TII. 1 2. - 153hz, don't run before start (noisy), 50. The idle is very lean at 16-17:1 and bounces between 850 and 1000 RPM. 15w50 fully synthetic. 5 with 600cc and Z32 MAF with O2 correction off, and it jumps around at the 14. i adjusted the nismo fpr for 43psi, vacuum line disconnected, at idle. Known for its high-revving power and unmistakable exhaust note, the RB25DET is a true masterpiece of engineering. Finally got the car to turn on and idle for a while, but it's idling around 2,000 now rather than 1,000. I have a really annoying flat spot just off idle. TPS variable input may need to be adjusted on the RB25 to make idle transition smoother (to hey guys, i have a R31 with a RB25DET in the engine bay thats causing me some headaches. I mucked around lots recently with R33 RB25/N14 Pulsar GA16DE/S15 SR20DET IAC valves . Smells like gas and bangs like a launch controller on idle So I have checked injector pulse . 99,000 miles and very clean condition. (possibly limp home mode). I change gear and boost higher and, sure enough, the misfiring is gone while in high revs and boost. I'm just after some ideas on what a reasonably safe AFR I could target at idle and at cruise (under about 3000 rpm and off boost), engine is an RB25DET NEO. Blocking Rb25Det Pcv. I think I have pretty much come up with a finalized list of pieces necessary for the build and just wanted to post and see if there were any necessary components I have missed or possibly small items I overlooked because I am RB25DET: Low oil pressure at idle. Checking inside Nistune the TPS idle/off idle indication over a series of starts will resolve this issue Engine Idle And Ignition Timing Factory idle Engine Transmission RPM RB20E Manual 600 RB20E Auto 650 RB25DE Manual 650 RB25DET Manual 650 RB25DET Auto 650 RB26DETT Manual 900 All should be +/- 50rpm of the above. When I unplug the cylinder 1 coil or injector, the idle barely changes compared to These engines use PWM idle control and boost control, both of which can be done using the MS3X medium current outputs. Second problem is when trying to set the timing using timing gun the manual tells you to If there was a leak in the FPR reference line it would run rich at idle (higher reference pressure leaking towards atmosphere from vacuum) not lean. Prices currently seem to go from $300 to $2k for a driver's seat. On the Q45 TB at first I didnt remove the spring and it was just pretty much a high Idle. So I already cleaned my iac valce maxima 1997 maf 2268031U00 = rb25det series 2 maf 2268031U05. Slight Miss On Idle Rb25det Slight Miss On Idle Rb25det. RB25 S2 Idles but doesn't want to rev. i am thinking its missing on 1-3 cylilndersI have no idea what else to do but start dumping It has a stock S2 RB25DET with stock turbo from an R34 NEO25 on 10psi using an RB20 actuator so no I got it back to my mates place. Jump to Latest 21 - 24 of 24 Posts. If you want to know what the base fuel pressure I cant seem to lean it out at idle many more than around 13 to 1 before the afr jump all over the place and the car runs like poop. agenda, A/C is ditched, and with the cams a fairly high idle is needed Hi all. Spark mode: Nissan RB25; Trigger Angle / Offset: 0 (adjust as needed if your timing doesn’t line up) Ignition input capture: Rising edge Engine Idle And Ignition Timing Factory idle Engine Transmission RPM RB20E Manual 600 RB20E Auto 650 RB25DE Manual 650 RB25DET Manual 650 RB25DET Auto 650 RB26DETT Manual 900 All should be +/- 50rpm of the above. 03:46 42lb/hr Hi-Z inj. 2bar at idle, but that is fine considering the temp of the oil. It ensures optimal air flow for efficient engine performance. Running a apexi power fc. 29mm Cometic Metal Head gasket HKS Blow off Valve AEM Wide-band AEM True Boost, Boost Controller Garrett GT3076R Turbo /. Keywords: rb25 stutter, sputter, mis, miss, backfire, misfire, under load, Top. hi! from a newbie in canada. Instagram:@redline280z@zerospiritr32 Hey all, just installed oil temp/pressure gauges in my car. goal is a track day car, perfect idle control isn't too high on the. Rough Idle R34 Rb25det Neo Engine Rough Idle R34 Rb25det Neo Engine. skazat Posts: 426 Joined: Sat May 30, 2009 4:07 am You don't need the part of the regulator that is there to keep the idle high during warmup. noticed that it bogged when it was cold and drove fine when hit normal temp. TL;DR - timing at idle is 3 degrees according to NDSI (Android) I believe the ecu normaly adds 10 -15 at idle so it stays at about 30 on idle. By kidafa, August 23, 2010 in Engines form of cut either boos fuel or rich and retard when i really load up the engine eg. The AAC valve assists in the idling RPM of the vehicle by controlling air bled into the plenum. 274 posts · You all know why the RB26 idles higher than the RB25 right? My tomei oil pump has really good oil pressure I would think that would be good enough for high rpm, I see over 3 bar on idle at about 5 k it stables to around 5. I did a couple tests to read some bigger things out and ultimately found the proble safe afr on idle ( rb25det spec1 lightly modified)? and safe afr boosting and on full boost (standard turbo 0. It there always when its cold, but sometimes when its have just put my engine back into my r33 list of mods below. Runs awful, backfires all through the rev range and is not safe to drive. The idle is too high though. We've also added 6AN ORB inlet threads so you can choose to use a hose fitting or an upgraded AN line. once fully warmed up, set base idle hI I TRY SWITCHING MY CYCLIC IDLE WITH DIG-6 BUT THE CYCLIC WORK WHEN I PRESS THE THE THROLLE. 50psi @ 2000 rpm. C. The car was running fine and the maf seemed to have gone bad since it would idle fine and then wont pass 2500. After letting it sit for about 2 minutes it drops down to RB25DET S2 ENGINE. Jump to Latest 5K views 2 replies 2 participants last post by Multics Jan 15, 2009. cold start she is very grumpy to get started cough's n splutters for a little bit then comes fine ish. 02. Thanks. The timing MUST BE EXACT. By Canadianz June 13, 2008 in Nissan RB Forum. (still working on cutting fuel from the upper end of the fuel map though). I fancy a short stroke engine, the RB25 seems a lot smoother than even the RB26 DETT, and that appeals, I was wondering if anyone has built a seriously high RPM RB25D The DOHC RB models all have a cam angle sensor located on the front of the engine driven by the exhaust cam. changed that with a new one. The car does run rich and makes very loud popping noises. Engine idle starts fluctuating and timing ranges from Hi all, I am a little concerned with the idle as I just got my r34 2 weeks ago and she idles at 1000 rpm [when warmed up]. 5:1 at WOT in high boost, whats a good afr to target in low/medium boost area? Discuss the RB20, RB25 and RB26 series engines. Currently hovering around ~235 bhp. It's currently got running in oil in the engine and Hey guys, just after some advice on leaning out my cars idle and cruise AFR's to save some fuel in traffic and on long highway drives. However the Z32 ECU like SR20s appears to learn the TPS idle position and adjustment of the TPS may be necessary. By ShadowKnyght, June 12, 2008 in General Maintenance. (just didn't have time then). RB25DE+T PFC idle Hey guys, Had this minor annoyance for a very long time, from memory probably since the powerfc was installed and tuned 6+ years ago. I have factort RB25's that are faster and lightly modified SR's in Silvias that are faster also. I am using valvoline VR1 racing 10/50w oil, and at my next oil change I will be changing to Silkolene pro-s as the gtr forums say it keeps its pressure/thinkness better at high temps Hi everyone, just looking to see what's available in the GTR seat options, testing the waters on what's available. At idle with tps connected, it was running 15 deg from timing light. In other words with the TPS disconnected (revs higher than idle), it is reading less than 20. I'm running ~ 15 deg timing at ~ 10psi boost pressure (max load and around 7000rpm). I cleaned the MAF sensor and throttle body shortly after purchasing the car Hello, I'm trying to setup a Q45 TB with my SII RB25. hi there, ive got an rb25det c33, did he whole conversion in my garage, auto to manual, adjusties exhaust and all, minimal tools, no experience just alot of reading. Hey guys, im going to try to start tuning my rb25det with my haltech platinum pro. ive got a related question. After you confirm there are no boost leaks, I would check the coils, spark plugs, and a/f ratios at high idle. By Trozzle, August 24, 2011 in Engines & Forced Induction. 6. I was also curious about the air regulator and played around with it when i was fabbing an intake. I use E85 pumpgas. The wiring harness is also new, can't find any problems with a vacuum leak either. For a long time now my car has sporadically been running lean. Was over 100psi at cold idle. facebook. I would actually set the switch off timer to zero however, rather than 0. The setup is a stock rb25det neo longblock with a gtx3076 gen 2. kumasan616 Posts: 88 cold start: idle hunts from high idle to barely running, all 6 cylinders firing, smells rich. Jump to Latest Hi All, Does anyone know the correct oil pressure for this engine? (idle or at high RPM/hot or cold oil/in BAR or PSI). Product # {{ productPartNumber }} Price Match. During warming: runs New update:I pulled the boots off the coils, cleaned the springs, the copper and then wrapped them all in 3-4 layers of electrical tapeSTILL HAVE A MISS!!!The car does not idle when i try to rev it it wont rev past 2500-3k rpm. G. The valve is made of high-quality materials to withstand the rigors of daily use. turn off >5800rpm . ,230/232 @. 9 posts • Page 1 of 1. Oil pump has been reconditioned. Now, im getting: just above 20 psi @ idle. 5v at idle. didn't stall anymore!!! =) so i installed new z32 fuel filter. All voltages and waveforms are identical. Most RB25's work out pretty similar to this, "on" just above idle, "off" at about 5500. Idle issue rb20det. It has a greddy intake, a fmic, a q45 throttle body, and a walbro 255 pump. HKS 2835 380hp; HKS2530 380hp (better for low end power) HKS GT3037 / 3037S 400-450hp; GREDDY TD06-20G comes as a full kit Hi All, I've been trying to find safe/normal operating temperatures for an RB25det, a good idle seems to be about 80c, but what is considered a safe temperature when you start pushing or tracking the car? After just fitting a replacement engine to my 33 I've been watching the temps very carefully it started about a month back - the car has progressively dropped rpm's on idle and now idles around 500rpm/+-50. Show 24 per page. My 91 s13 with a s1 rb25 is running very rich. Share More sharing options Followers 0. Thats a hell of a difference! Im too scared to take it over 3000 rpm in case something blows out. First, make sure your base idle is as close to spec as you can get it for the RB25 and set the timing at the RB25 base idle. 03:42: This is a 2D table of idle position versus engine temperature. turn on > 20 percent tps . rb25det head. My technician recommended . By Lench 1 hour ago in Engine Tuning. I HAVE SUBARU WRX 2006 . It will stay around 14-15 then all of a Got a mate's new 25/30 running today but the oil pressure seems to be a lot higher than it should. This is all when the engine is warm by the way. Once warmed up the engine did an occasional shudder on idle and also sometimes felt bit sluggish and seemed to hesitate when accelerating in higher revs. rb25det neo, in 240sx. I’m running stock coils but will soon install IMO wrap does have its uses, but like you said, quality wrap, and professional installation, would probably cost want a quality paint job does, but, the paint, if maintained, is RB25 Idling way to high Engine Tech. net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum > General > Tech Talk > My theory is that by addind a check valve on the turbo intake side, the pcv valve will be able to keep higher vacuum levels while idling, no vacuum power will be lost throught the turbo intake side. Obviously, you need the Idle air control valve. Hi guys Just tonight finally got to the point of starting my car and yay it started. I’m getting consistent oil pressure, however, it’s quite low. Im so cinfused as to what could be causing this. Turned engine on (has high idle of 2,000rpm) 5. The time from when you're idling/tootling along until when the turbo starts spinning fast enough to make some power is what nobody likes: turbo lag. Now the car is idling between 1200-1500rpm at all times. 6L VVT twin turbo current status: selling CA parts. To set Idle • Start car and warm up Bone stock s1 rb25det on aem v1 idle issues, has been retimed, but untuned. We've got an 20kw atw on a RB20 and 12kw atw on a RB25 (higher comp) Top. After racking my brain, I decided to start playing around RB25DET: Low oil pressure at idle. 2bar. I had it tuned and the tuner said the IAC valve was not working properly for some reason. AFM reading: 1320mv @idle (cold) Checked my intake piping and catch can for oil deposits, can't find any. On idle it sounded like an EJ but not wanting to stall, giving I have never hit 6. It is also idling at around 900 and some times after Same readings both from Datascan and on the multimeter: voltage from MAF is 0. TunerStudio Configuration for MS3X. The car began showing problems after running perfectly for some months by beginning to stutter when idling, then running ok again, then eventually misfires got worse, and would run on 5 cylinders, then 4 then 3 and then eventually The solenoid is different and does not work in non neo engines, the vct is different too, as GTS boy said they are specific to neo engines. Continue reading if you wish to always Tuning, Technical Questions 1) check air flow meter, first check afm, should read 1 - 1. During warming: runs Idle Air Control Valves; VVT / VCT Solenoids; Crank Position Sensors; Fuses; Horns; At JDMGarageUK, we offer high-quality forged engines exclusively on an exchange basis. Wonder what everyone else has done. The funny thing is that when it was stock it hi have issue with bnr32 with rb26 idling at 1200. as well as put the z32 Hi all, I recently got an R34 GTT and had a niggling misfire problem with the RB25DET Neo. I recently blew the turbo and replaced it with a high flowed and rebuilt rb25det turbo. 8 ( rb25det spec1 lightly modified)? spec 1 rb25det with acl shells and 1. I pinched hose going to air regulator and car idles down like it supposed too. 5-6 bar if I remember correctly. JohnG Nissan 23781-17U00 Nissan R33 Skyline IACV AAC Idle Control Valve RB25DET 23781-17U00 RB25 GTS25t OEM factory AAC valve or IACV intake air control valve, removed from an R33 chassis Nissan Skyline with RB25DET engine, years 1993 - 1998. 24s shown in this example. not sure which of rb25det pcv system discussion Engine Tech Zilvia. Moderator: Matt. Hi, I have a NisTune'd R33 gts25t s2 and currently tweaking the timing via road tune. . uzojueqjmcaoqitspwajrqomoiklqokyktpworydrdptaget