Golf IV / Jetta IV :: 2001 - Weird Idling - Dies Intermittently - CEL Came On?
Jan 12, 2015
So my jetta is 2001 i believe and idleing like its got major breathing problems, it goes from 700rpms to 1500 in cycles and sometimes dies out all together. I thought it was some kind of vaccum leak and had a few pipes in the engine bay replaced but it didnt fix it. Its also missing a muffler so its really load and annoying, especially when im at inn n out in the drive through lol. Other than that, the car doesn't seem to be running that bad but the check engine light is on as well as the traction light comes on sometimes for no reason.
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I just got a 2001 Jetta 1.8t 100k miles, and had some repairs done - timing belt - K03S Turbo - Forge Tip - 2.5 Turboback Exhaust. I bought the car without a working turbo, yesterday I got the car back from the shop and it was a night and day difference..... but to my point, today I had some CEL's pop - Charge Pressure control positive deviation, Pressure drop between turbo and throttle valve, and secondary Air injection system incorrect flow detected. Now I have never owned a turbocharged car before, but when my windows are rolled up and im accelerating, I can hear what I am guessing is the turbo starting to spin over by my passenger side(2k ish rpms+) except it doesn't have clean spin sounds, kinda sounds like bearings are goofed or something. This noise only happens when I am accelerating or cruising? I also have felt really no change is boost or power!!
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Car started idling weird last night. Drops to about 500 then up to 1000, thrn down again. CEL has been on for over a month but has not affected driving. Engine shakes and doesn't sound normal. I was told by mechanic CEL was caused by a vacuum leak, but he didn't have the smoke machine to pinpoint the leak. That was over a month ago and I haven't had the chance to go back. What are the first things I could check for besides the vacuum leak?
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In the Car Talk column on 1/3/2016, it sounds like Lynnette's 1991 Honda Civic wagon was experiencing very similar symptoms to my wife's 2001 Honda Odyssey (189,000 mi) a few months ago. Rough idle, engine almost dies sometimes at stops, groans during acceleration. Additionally, accelerating between 40-60 mph our Honda would feel like it was "loading up," running rich or in the wrong gear climbing hills. I replaced the idle air control valve, which fixed the rough idle but not the other symptoms. Turned out I needed to reset (power cycle) the ECM and go through a curb idle/rev warm-up procedure so it would relearn the throttle position sensor's operating range after replacing the IAC valve. I disconnected the battery, removed and reinserted the hazard fuse, then reconnected the battery. Then from a cold start held the throttle at 3000 rpm until the engine warmed up to normal or the electric fans kicked on. Since then it's back to smooth, strong acceleration we expect from the Honda we love.
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So here's whats going on now. My girlfriend has had her car for about 10 months now, and besides the last 3 weeks it has been a perfect car. In these last 3 weeks though her car has been a real pain.
Her car randomly dies while its being driven/at a stop. It doesn't matter how fast she is going or how long she has been at a stop.
It first started 3 weeks ago when i was driving it to the mall with her and the car started to slow down on the freeway, going about 65. I pushed on the accelerator and got no response. After about 5 seconds all power came back and we were off. At no point in time did the power inside or the headlights dim/turn off.
Next time it died it wouldn't get going again. Battery was fine. My first assumption was the fuel pump. Replaced the fuel pump and it ran fine.
A couple days later the car did the exact same thing, except this time the battery was completely shot. Took a look at it and it was almost 8 years old. Went and replaced it.
The following day it died again, this time it was the battery again but since it was a brand new battery we knew it couldn't be the issue. So i went ahead and replaced the alternator. Turned on the car and it ran perfect. While it was running i even disconnected the battery just to make sure the alternator could still power the car, no issues.
A few days went by with everything working perfectly fine, not a single issue that is, until tonight. As my girlfriend was coming to pick me up her car died. She was coming up to a stop light and starting to slow down when her car lost power again. All the lights and radio stayed on but the car died. Battery light came on as well. I walked to her car and told her to try to start it. Fired up right away and ran fine like nothing ever happened. Drove it to my house without another issue.
At this point i'm stumped. The CEL is not coming on, which is a bummer because that would make this much easier. I cleaned off the terminals for the battery and the connecting wires (which weren't dirt or corroded).
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My coolant indicator light keeps returning on my 01 Jetta GLS 2.0
I have searched in the forums and read that its likely a coolant sensor and requires replacing the coolant tank. I am wondering if there are other possible causes as I want to drive it for another 3k before replacing tank (as I will be having timing belt replacement and coolant flush at that time). Previous owner had universal (green) coolant in and it will be replaced with proper coolant when the flush is done.
The indicator comes on within a minute of starting the car. The thermostat seems to operate just fine and car is not overheating. I have topped off with diluted water, it definitely has proper level.
Safe to ignore as long as I watch coolant level and temp?
On a separate issue: I tried to use code reader but it would not connect to my car (had successfully connected at some point prior), I believe it may be because I have an aftermarket radio (the K-wire issue?). If that is true, should it resolve if I swap the stock radio back in? I need to be able to connect to the car eventually when it is time to renew registration (for state emissions control testing).
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i started hearing this weird creaking noise about a month ago. When it started happening it would only occur at very low speeds and then it would stop, now it happens all the time unless i'm turning. I've heard it could be bushings but I'm not sure. What weirds me out is a lot of the time it'll stop either when I'm turning or if I shift into neutral.
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So today I ran into an issue with my idle, anytime I let the gas off the rpms come down but don't stop until the engine quits and the car dies. The battery warning light comes on until I restart the engine. Right before this started happening I was driving and all of a sudden the power cut out, puttered down to 11-1400 rpms and wouldn't respond to gas pedal, I shut the car off, restarted and it continued to cut power at 1400ish rpms. Let it sit for a few minutes, restarted and the car drove like normal.
A few miles down the road it started to die when no gas was applied. The car has a VF stage 2 SC with Um E85 tune. Seems to go in and out of dieing at idle, sometimes it will be fine and sometimes it'll die. I should also mention that I threw a coolant temp sensor code and haven't had a chance to replace it yet, but when I was troubleshooting the idle issue I cleared the stored codes and the coolant temp sensor code disappeared. At least I'm getting some good practice left foot braking for the time being.
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not sure if this is normal or not. usually ONLY comes when I turn my car on for the first time of the day. (cold start obviously, keep in mind its cold where i live at this time of year), there is a weird whistling like sound. goes away when the rpm gauge hits 10/ after 1 minute of the engine running. at odd times it will come on again after leaving the car off for a few hours, after work for example. I was told it because I'm using the wrong coolant??
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I'm the proud owner of a 2005 MK4 1.8t gti, and recently it started making a weird sound when it starts kicking in to boost, where it would normally make a whistle sound while the turbo spools up it now makes a sound that reminds me of a supercharged car, it feels like it could be a leak but I don't have an ecl popping up, it does kind of platoes in the powerband, I hope I'm making some sense ..
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i have a 03 gti vr6. 24v 6 speed. it started losing coolant the other day. but the thing is the radiator all the hoses and the water pump(s) are all dry. its fine when its cold, holds coolant just fine. but when it warms up its only fine at idle, so im guessing its some sort of pressure related leak. the car goes through half a gallon every mile or so. only the inner fender on the left side is soaked and the suspension components on that side as well.
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We have a 2001 Jetta 2.0L with 170000 miles. The AC had been getting weaker, but now it only works when the car is idling. Which seems really odd???
Started car, after being parked for a while, and the temp was 73F at the dash vent. I figured it would get colder going down the road, but it got up to 90F at the vent. Returned home and let the car idle for a while and the dash temp went down to 80F. Went for another drive and it immediately raised to 90F.
The compressor clutch was engaged and spinning, but the larger metal line at the firewall didn't seem very cold. The smaller line was warm as expected. I added some R134a, but no change at the lines or in the car. We have had issues with the blend flapper and replaced the broken plastic part. You can hear the flapper slap when you rotate the dial from hot to cool, so it seems like it's working.
Could it be the compressor? I think it was only generating 150psi on the high pressure side during idle, but it would go up to 200-225psi when I revved the motor.
Replaced the valve body solenoids, increased pressure to clutch packs 8 clicks, added pentosin, cleared engine light, and the tranny is working perfectly.
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I just bought this car in it's current state. I got a really good deal on it so I wasn't too concerned that it wouldn't start. And I did a compression test before I bought it which had really good results.
It's starting up pretty effortlessly. and its really consistent how it goes up to 2000, and then dies. I though it might be the immobilizer but the light turns off like it should.
The previous owner claims it was rebuilt 40k miles ago professionally. I think I believe it. the car has 210,000 miles and 190 psi compression.
It also has a bunch of preventative maintenance done to it. waterpump, timing belt, thermostat, clutch, lightweight flywheel. What it could be? it's got to be something simple. I'm pretty sure this engine is nearly flawless
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My gf's 04 gti 1.8t 5spd is having idling issues. Here's the rundown, at idle it sits at 800 rpm but when given a rev it then becomes erratic and fluctuates between 500-1100 rpm. When throttled again lightly it returns to normal 800 rpm idle. The car will try to stall a little bit. Now for the codes and lights. The lights are the traction control light and the check engine light. The codes are p0102 (MAF) and p2181 (coolant system performance). I have recently had a misfire which I took care of with 4 new coil packs. I kept the 3 good ones I took out. I have to change the plugs still but don't think it's an issue. Has new clutch and sits at 148,852 miles.
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Every time my car is idling I get this weird fluctuation of rpm. What it might be. [URL] .....
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I have a Golf GTI IV 1.8T Tiptronic and having this problem when the car is Idling i can feel the engine vibrations trough the seat and are anything but soft, especially if the trany is neutral and less if leave it in D.
I've changed the dog bone recently, wich was very bad, but the vibrations didn't smooth they remain the same but the driving improved, so the dog did replacement was good.
The next step would change the engine mounts, but they look goof and I don't want to start change parts just in case. Where I live car parts aren't cheap and some times new ones are just crap.
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But I have a mk4 gti 1.8t awp and recently it's been going downhill. Right now my only mods are a fmic, Cai, and a 3 in catless dp to a 2.5 in straight pipe. My car recently starting idling very rough and would practically die, the lights would also dim. While casting the idle was very rough too. Then yesterday my car started idling even worse and dying multiple times, plus my turbo stopped boosting and making what I presume to be the "death whine".
I replaced my spark plugs a few days ago and I checked my timing belt and it looked fine. I couldn't find any vacuum leaks either so I'm not sure what would be causing the rough idle? My valve cover gasket leaks and makes my sparks plugs covered in oil but I don't know if that could cause the rough idle. I unplugged my maf and ran it and there was no improvement.
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I have a 2004 mk4 GTi 1.8t and this has happened to me a few times now, I came home from work shut my car off and like 2 minutes later went out to go out to eat and before I left my neighborhood I stopped at a stop sign and my car just died wouldn't start back up so I push started it and then stopped again and the same thing so I tried to jump start it nothing happened so I push started my car got it home came home like 2 hours later and my car ran just fine, the second time it happened I was on my way to work and-and I was coming up on a red light and right before my car shut off my oil light came on so I checked my oil and it looks like I had oil and it was never ticking or anything but the first thing I tried was adding oil and it started up right away and today I went to school to drop papers off and when I came back out my car wouldn't start so I just sat there for like 20 minutes and it finally started and then once again on my way home my car died as I was pulling into my driveway.
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So I have a 2.0 jetta and I'm having this problem where my rpms fluctuate at idle and sometimes the car dies unless I give it gas.but when I'm driving if I'm not in gear and stop it sometimes dies.
I'm getting 5 codes : P0445, P0135, P0037, P0418, P1473
I checked all my grounds I changed the 02 sensor on the manifold checked for cut wires and nothing ...
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I'm going to preface this by saying I've already had the immobilizer problem and I know about the light on the dash of the car + key flashing when you try to start the car without the immobilizer chip in the key fob.
My car has been running completely fine, I go out to start it, it fires up then immediately dies. If I hit the throttle while it starts up it will rev up but still dies even if I hold the throttle all the way open. After doing some research I was pointed to crank position sensor. Bought a new one, didn't change anything.
The strange thing about it is ever once in a while I can get it to start up and then it will run for as long as I let it, so its obviously getting air, fuel, and spark. I have also disconnected the battery and left it for a few hours, didn't work either.
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I bought a 03 GTI 1.8T. It was hit in the front so it needs a new bumper. The intercooler is smashed to bits. The car will start and idle but as soon as you go to drive into the shop it wants to stall and die out. Will not drive at all. Would the smashed intercooler cause this? No check engine light at all. Car is a 5 speed. All wheels turn free so nothing is keeping it from not rolling.
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