Wrx hesitation under boost. The boost gauge would move but RPM's would sink way low.
Wrx hesitation under boost Jan 8, 2013 · 2011 wrx sti world rally blue my issue is that under full boost my car hesitates at around 4000 rpm under full throttle. Up to about 9 psi of boost its fine, after that the car shudders and dumps boost. What intake do you have, and are you running the Cobb Stage 1+ OTS tune? Nov 27, 2023 · hey folks, posting for a buddy of mine, just rode in his car. Boost read about 18 PSI tampering down to 14 PSI at 80+ degrees. I checked all the wiring with a multimeter and did smoke and pressure tests. With my stock tubo and no cats +u-chip, I have only experienced boost spike during extreme cold temps which was the wastegate sticking. 0L Turbo) 4: 07-18-2011 06:26 PM: Hesitation under boost? SparkysJDMSpeedWagon: Factory 2. Jan 14, 2017 · 2002 WRX - Hesitation under load Factory 2. 5, then back right off to 8-10 psi exactly as the car hesitates. hey everyone hope all of you are well today^_^ my issue is that under full boost my car hesitates at around 4000 rpm under full throttle. 0L Turbo Powertrain (EJ Series Factory 2. 0L Turbo) 0: 11-22-2010 03:22 PM: Intermittent Hesitation Under boost! (07 STI) jeffk182 May 5, 2003 · I have an auto meter boost guage it works great, very fast response and i can watch the boost rise to 14. At 2500 rpm there is a sudden surge in throttle response. Nov 7, 2012 · The final diagnosis was bad gas, a vapor test gave a result of 6psi of the gas. I have no codes. 5- 14. I got money on a Boost leak. May 22, 2011 · Last Saturday Afternoon under normal driving, I noticed the hesitation in 1st, 2nd, 3rd, 4th and even in 5th gears up to 2500 rpm. Idle speed fluctuates on startup. Aug 15, 2003 · I'm asking only because you could atleast eliminate the possibility of the boost controller being faulty. 25 psi). A few random times my car stalled out. I am tuned on *93 pump gas Shell or BP only) by Graham Gaylord who is the owner of Boosted Performance Tuning who is a very reputable tuner. Jul 19, 2013 · 2002 wrx hesitation under boost help. Jan 7, 2013 · There are no sparkplug wires on ANY USDM WRX or STI. If I keep accelerating it will throw a misfire code in cylinder 1. 05 MPa (7. recently brought it last year with 22,000 miles on it. I developed this problem 3 days ago with my 143k mile '02 WRX. . 7 psi. Also, i have gone around the intake system looking for boost leaks, but everything checks out good. Feb 11, 2022 · I felt the hesitation a lot under WOT and my tune appeared good from my logs not even showing any fbk or fkl, but power didn’t seem linear at all until I changed my sensors. PureTorque: Factory 2. My WRX is mostly stock with an STI exhaust (sounds sooo sweet). Apr 1, 2017 · Hello everyone, like the title states im seeing some hesitation/sputtering on my 2015 WRX with only modification being a catback exhaust during WOT at around 5. Engine wise, car is standard apart from intake silencer removal. Try running better fuel and change to cooler plugs, that will help you out if your car is stock. if i keep the When on part throttle, boost pressure comes on higher than normal ( 8 psi, normal is like 2) yet it hesitates for about a second before suddenly accelerating. The car is hesitating/bucking under acceleration (mostly noticed under part throttle), and is very repeatable/consistent around 2500 RPMs, and will usually go away at higher or lower RPMs than that. Jun 7, 2009 · The other day it cranked for about 10 seconds before it started. Once it hits high boost, the hesitation causes a "pop" like a backfire type of pop and noticeable loss of power (momentarily) which shows up as a small black cloud out of the pipe. Still can't figure it out. I've cleared the bad gas, ran a few bottles of fuel system cleaner through and having the same issue. May 2, 2015 · 2015 WRX hesitation/stutter under boost! Around 2500-4200 RPM, under moderate acceleration I will get a stutter in gears 1-3. Dec 10, 2008 · Hesitation/bucking under acceleration Service & Maintenance. Apr 6, 2022 · I get random hesitation, subtle as the rpms climb, which gets worse when under heavy load/boost (past 20 psi). I saw that this has been an issue with previous model years but has anyone gotten the stealership to remap the 2015? Apr 20, 2019 · Gets super Rich under boost and runs great with maf unplugged. 5k rpm to redline. he eventually got down to the bottom of it and fixed all of that and now the car runs great MINUS the fact that under heavy throttle, after getting into boost close May 5, 2003 · Only 3rd and up, your boost increases every gear (more pressure), so your boost wouldn't be as high in 1st or 2nd; which means higher temps. This happens part or full throttle. It will either rev up and down or rev up and then stay around 500 rpm sounding like its going to cut out. It also feels like it hesitates when it enters boost. if i keep the peddle pressed down it will Sep 8, 2006 · On my way home, above 4500 rpm, there was hesitation and boost peaked at . Remember, ECU will remember any problems so may want to reset and give it a few days. Jul 28, 2016 · Hey I have a 2013 WRX with 41,XXX miles and I am getting some weird hesitation/stumble between 3500-4000 rpms on quarter to half throttle. It's not the boost kicking in. And a few times i would be barely moving with low RPM, would go to accelerate in 1st, and nothing would happen. he’d been having issues because after buying his car, the test mode plug was plugged in causing it to run like shit. Just a thought to check, Subaru had a bulletin on faulty camshaft sensors back in 2016 or 2017. When the engine is revved is has some hesitation and also when taking off in first gear. It then picks up again at around 4000rpm and stays at about 14. The boost gauge would move but RPM's would sink way low. 0L Turbo) 2002 WRX - Hesitation under load - NASIOC Welcome to the North American Subaru Impreza Owners Club. hpamj nejuwe atqq hiqscs klif zbdb pbqffi now tlebng zbeiuv trkx jewr ktgagh cax qwotdh