GTI 337/20th Anniversary :: Car Sputters Around Half Throttle / 10 PSI
Yesterday, I was taking off from a light and noticed that when I got around 10 PSI, the car kind of nosed over and sputtered. So I started to play around and discovered that no matter what gear, this always happened between 7-12 PSI of boost. Normal driving for me is shifting around 3k RPM, about half throttle. Sometimes when I shift, it pops. Not like a normal, chipped car pop but not quite loud enough to be a backfire.
I took my dad out in the car and got to 55 MPH, then held the throttle half way to keep boost around 10 PSI and it would start sputtering/bogging down erratically. Any more then 12, and the car is fine. Any less then 7 and the car is fine. He suggested a Throttle Position Sensor that has a dead spot in it.
Here's some thought from me:
Coils/Misfires - If it were a coil or misfiring, it would be all the time, not just what I described above, correct?
Boost Leak - At WOT, the car gets up and goes while holding steady boost.
Vac Leak - I've been told at idle, the car is supposed to have 19-21 in Hg of vacuum. It's at 20.
If you turn your speakers up, you can actually hear the exhaust gurgling in the video when I hit the spot I am talking about. There are no loud noises, so don't worry about maxing them. I had to.
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GTI 337/20th Anniversary :: GLI Sputters And Surges When Driving Over Bumps
I'm aware that this is a common issue for the MK4 and I'm looking for some closure on what the exact issue could be. Whenever I drive my car on a bumpier back road I feel like the car is sputtering and surging whenever I hit a bump and it's very noticeable with the exhaust on my car. Once on the highway the car lost all power for about 3 seconds and then it started working again. I think it might be the coil packs or the fuel pump but I don't want to buy things the car doesn't need. Where to start?
View 1 RepliesGTI 337/20th Anniversary :: Car Had A Super Low Idle
I started up my car after work and and it had a super low idle it almost seemed like it wanted to shut off. I brought the rpms up to 2k for only for a few sec. Let off it was fine? It was cold out. But its never done that b4.
It almost felt like it was bogging out. I have brand new air filter. And spark plugs.
GTI 337/20th Anniversary :: Rattling Sometimes When Idle
I just put on a magnaflow cat-back exhaust and sometimes when i idle i have a rattle and sometimes it will not rattle. I went under it and shook all around to see if anything was hitting but there was nothing i could see. What could it be?
View 4 RepliesGTI 337/20th Anniversary :: Shaking When Idle / Rumbles When Take Off
I don't think I am in the right forum but I don't know where to post it. I have a 20th and when the car idles it shakes a little but when I take off the car rumbles alot the only way not to make it rumble is rev it to 1500rpm what can it be causing this?? I have a catback tt exhaust can it cause it to do it?
View 1 RepliesGTI 337/20th Anniversary :: Idle Will Drop / Car Acts Like It Will Die
Lately, every once in awhile my cars idle will drop and the car acts like it will die, but never does. I tried turning up the idle +50 with v-tune to see if it would cure the problem, but the car still acts like it will die during idle.
View 2 RepliesGTI 337/20th Anniversary :: Small Little Backfiring At Idle
So my car has 67k on it, is babied and taken care of. She runs good however at idle, she seems to put out small little backfires. I just noticed this a little while ago. Sitting in the car I can feel when this happens, it's like a small quick sputter but I'm getting no noises from the engine when these fluctuations happen. The exhaust from almost up by the DP back to the tailpipe will move with the sputter if that makes sense. Seems like it's a slight misfire but im not really sure what it could be. runs strong and the temp always reads normal and I am getting no CEL.
View 18 RepliesGTI 337/20th Anniversary :: Car Smokes At Idle After Crankshaft Fixed
I have an 03 20th AE GTI, and I just had the crankshaft fixed. My car now smokes, and I thought it would stop smoking after a few hours of letting it run, but It still smokes, at Idle. and once I step on it after Idling, it smokes alot. but after constant driving, like on highway, It doesn't smoke.
View 8 RepliesGTI 337/20th Anniversary :: White Or Blue Smoke When Let It Idle For A While
My cars runs great no smoke unless i let it idle for a while then go there might be a little white smoke or blue smoke just depends, doesn't do it all the time just random, my oil is perfect no water in it so I don't think headgasket, its running a precision 50 trim bigger injectors and full 3 inch exhaust.
View 3 RepliesGTI 337/20th Anniversary :: 2005 GLI - When In Idle RPMs Go Down Really Low Then Shoot Back Up
I have a 05 gli and when in idle the rpms go down really low then shoot back up. what could be the cause and how would i go about fixing this?
View 1 RepliesGTI 337/20th Anniversary :: Rough Idle - Knocking Noise From Engine
So I was warming up my car after work tonight, and it was idling really rough right above 1RPMS and i heard a lil knocking noise from the engine what could have caused this? I was parked on a slight hill but i doubt that has something to do with it.
Also my buddy told me a way to see if my clutch was going out, is to try and kill the car while in gear, so i tried 1st time it shook really really bad but didn't die. So I tried again and it seemed like it was trying to catch its self and then shook bad again and then died. I did this in 1st gear just letting off the clutch before giving it gas. Does this mean my clutch could be going out already? the car only has 63k on it...
GTI 337/20th Anniversary :: Rough Idle - RPMs Go Up And Down At Stop Light
Have a jazz blue chipped tuned with giac.. It does this random times.. When I come to a red light on idle the rpms go up and down just a bet but never stalls. The car vibrates and the engine shakes a bit. Engine is stable when car is on and off. Idk if its motor mounts or what?
View 10 RepliesGTI 337/20th Anniversary :: Stumbling Idle And Bluish Discoloration On Top Of Coilpacks
While starting up the 337 this morning, I received a stumbling idle from the engine. I popped the hood and noticed that there was a bit of bluish / purplish discoloration on the tops of the coilpacks. Gonna replace the packs and plugs today, just wanted to know if there was anything else I should check for.
Also, this wouldn't be related to the death of the driver's side door lock module would it? (I noticed that when i opened the door, the light and the fuel pump didn't prime....)
GTI 337/20th Anniversary :: Serpentine Belt Noise At Idle When Turn AC On
I have a mk4 gli and I'm having a problem with serpentine belt squealing when I'm at idle and when I turn the ac on. It's isn't all that loud at idle but when I turn on my ac it gets real loud. My ac stopped working a little but after this noise started to happen. Could it be possible that it's the bearing in the compressor that is making it squeal or could it be somthing else?
View 2 RepliesGTI 337/20th Anniversary :: 2005 - Stalls After Running For A Bit / High Idle
The car will start up fine, run for 10 - 20 min and stall. I will try and restart it but i takes atleast 7 or 8 sec of the car just turning over before it slowly fires up. Which results in a high idle 1200-1400 rpm and the car stalling another 5 min later.
Ive fixed my o2 sensor the wire was cut, replaced the fuel filter, and got a eurojet lower pcv hose for the vacuum leak i found.
GTI 337/20th Anniversary :: After Idle Warm Up Smokes A Little Bit And Smells Like Burnt Oil
I got a 20th with 83k on it and when i let it sit at idle for like 10 min to warm up after i get in and give a little gas it smokes a little bit and smells like burnt oil.. would this be the case that my turbo is going bad??
View 3 RepliesGTI 337/20th Anniversary :: Loss Of Power / Starts To Die At Idle And Hardly Turns Over
I have a 03 20th ae gti with about 84k just replaced the coil packs. driving on the freeway then power just goes away, press on gas and nothing. limp it off the freeway. Then it starts to die at idle and hardly turns over. car is pretty much stock. new clutch at 75k.
View 8 RepliesGTI 337/20th Anniversary :: Idle Fluctuates From Almost Stalling To 1000 RPMs
I have a pretty bad flex pipe leak on my 20th. Would this leak cause a very rough idle almost stalling when I come to a complete stop. The Idle fluctuates from almost stalling to 1000rpms.
View 1 RepliesGTI 337/20th Anniversary :: Exhaust Rattles Loud At Idle And Startup
I just had the Eurojet TBE installed and I notice the exhaust rattles loud at idle and startup... I want to say the piping is hitting something and causing this.... should i hang the exhaust higher.....
View 9 Replies