Golf IV / Jetta IV :: 2003 - Weird Coolant Leak - Goes Half Gallon Per Mile
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.
View 13 RepliesGolf IV / Jetta IV :: R32 Cluster Swap - Reads Wrong Fuel Level
The cluster works fine in the car. MFA works. The immobiler does activate but my ecu has an immobilizer defeat so it doesn't kill the car. I'm not having any of the usual issues with cluster swaps. I'll get the immobilizer issue recoded later. My issue is with the fuel level indicator. I have half a tank of fuel and it is reading full. I've researched and found out the r32 has 2 fuel sending units and this may be where the problem is. If so is it a matter of re-adapting the cluster or is it slightly more complicated than that?
View 3 RepliesGolf IV / Jetta IV :: 2003 - At Start Up Coolant / Warning Light Comes On
Car: 2003 Jetta VR6 GLX 24V
Sometimes when I start up my car ( I want to say when cold, but I haven't tried after its warm yet), the coolant light and warning come up. I obviously checked the coolant, and it is a little low. But it's been where it is since I bought the car, and I haven't noticed any leaks. After I turn the car off then on again the light goes away.
The car is running perfectly fine, it's not running hot or cold. Another thing I have noticed is that my fans don't seem to be working. ( I know it's a common problem). But I'm thinking this could be the fact that it's below 0 today.
I haven't gotten it scanned yet, but what's going on; i.e., Thermostat, sensors, fans etc..
Golf IV / Jetta IV :: 2004 Won't Start / Coolant Coming Out Of Reservoir
So this weekend my Y-fitting for the coolant hose (coming out of the reservoir) broke, literally after arriving at my friends house about 50 miles from home.
I "mended" it, and decided to try to take it home, as it is my daily. Temperature would get high, but not into the red, and drop back down. On the final rise, it got a bit too close to red for comfort. I drove about 25 miles, and my coolant light was on the majority of the time. The last 3-5 miles, my oil light came on. When I went to pull off the road, I pushed in my clutch and my car died. My first assumption was a head gasket (as I have been there before.
I open the hood and coolant is pouring out of my "mended" y-fitting. I check under the car - no oil, just coolant. The oil didn't seem to be "milky," but there seemed to be some sort of condensation on the filler cap. I checked the dipstick - not milky, just liquidy. I added some oil to the car, and had a friend bring some distilled water, and did a little bit better job of mending my fitting. I poured the distilled water in, and it started boiling almost immediately. I let the car cool for a couple hours and tried to start it, but nothing.
There's no white smoke, but the car just "puts" for a few cranks, and then it goes back to cranking. Looking around the engine housing, there doesn't seem to be any oil; but my car has a lot of grease on the block, so it's hard to say.
I did some searching, and it seems that it could be the oil cooler? I don't have the tools for a compression test, and the car was towed to a gas station, which is about 30 mins from my house.
The car is a 2004 Jetta, 1.8T Manual with the 5-speed.
Golf IV / Jetta IV :: 2001 - Weird Idling - Dies Intermittently - CEL Came On?
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.
View 1 RepliesGolf IV / Jetta IV :: Weird Creaking Sound All The Time Except While Turning?
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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Golf IV / Jetta IV :: 2005 - Weird Sound When Starts Kicking Into Boost?
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 ..
View 24 RepliesGolf IV / Jetta IV :: 05 - Cloud Of Smoke Come Out Upon Cold Start
So I'm trying to figure out the issue with my girls car, upon cold start sometimes a cloud of white smoke will come out of the tail pipe but not all the times, sometimes the oil level slowly drops but again not all the time, coolant doesn't look mixed but I'm not 100% sure. The car is the pzev 2.0.
View 2 RepliesGolf IV / Jetta IV :: Belt Squealing On Cold Start Up
I have a mkiv and before I got to work in the morning, I warm up my car for about 10 min. When I start it up the belt squeals. I do believe that it only does it in the morning. Should I have it checked out? i put belt dressing on it last night but it squealed when i started it up this morning so I don't think that worked......
View 10 RepliesGolf IV / Jetta IV :: Possible To Have Cold Start Mode Every Time?
Strange question but is there a way to have the engine start up in this mode every time its started?
Just wondering for show purposes trying to make a video, as my GTI has a big ass cam and sounds evil in cold start mode and doesn't have that opportunity as its 90-100 degrees here all the damn time...
Golf IV / Jetta IV :: 2001 - Weird Turbo Spooling Sound By Passenger Side?
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!!
View 2 RepliesGolf IV / Jetta IV :: VR6 Won't Start When Cold - Engine Doesn't Crank
Okay so my 2003 Jetta GLI normally starts without a problem. But it seems like whenever it gets cold (below about 40) it doesn't even try to start. I turn the key and nothing happens, the engine doesn't crank. All the lights turn on like normal and they're not dim so I don't think it's the battery. It'll still start if I roll-start it, but there isn't any sort of hill for a few miles. Normally once it warms up later in the day it'll start up.
View 3 RepliesGolf IV / Jetta IV :: 2001 1.8T Does Not Stay On / Stalls Out On Cold Start
When the weather gets cold, (lower than 45 deg. F) my Jetta does not want to stay running. It turns over and starts just fine but it does not like to stay on. When I turn the key to the #2 position I can hear the fuel pump fire up and pressurize the system. I always attempt to start it after that, and after 1-2 seconds of running, it seems like it chokes itself out. I have the new coolant temp. sensor (green top), my MAF has been replaced, all spark plugs are new with the correct gap (approx. .030"), new air filter, I run 93 octane fuel.
The worst part is, once the car is warmed up (After forcing it fuel and starting it over, and over, and over again) it runs awesome! I have had this problem since I bought the car (about 2 years ago). The owner told me about it and mentioned that he has never been able to figure it out either (trips to the dealer included). I have been dealing with it for 2 years, but it is getting much worse. Over the past 2 days I have not been able to get my car to stay on long enough to get it to move.
Golf IV / Jetta IV :: 2005 - Cold Start - Chokes / Sputters Like It Isn't Getting Enough Gas
So my new problem is cold engine starts If it's mildly cold out like 30-40 F or 0-10C and has been sitting awhile the car won't start on the first couple of tries. It tries to start but I guess chokes/sputters out like its not getting enough gas. Warm engine it starts instantly.
I put a bottle of gumout regane fuel system cleaner in the tank hoping its a dirty fuel system seeing it feels like it chokes out on gas during the cold start. I'm about half way done that tank and was going to add another bottle on the next tank.
I'm worried about the cold winter approaching and found out issue 8001 today that the oil pan heater is ripped off with broken wires and missing cover.
Golf IV / Jetta IV :: Stall Out At Times When Warmed Up - Sluggish Start When Cold
Is this a warm stall issue and if so what is the actual solution to it ?
- Car is warm it will stall out at times after start . Giving it some gas will save it from stalling
- When dead cold it will have a very sluggish start
New plugs and coils. New fuel pump fuel filter & regulator . New crank sensor . Throttle body cleaned as well as maf. evap leaks all sealed up too. battery is good too
Very frustrating. Only solution would be to leave it at a shop for at least two hours so they could do live scans. But I'd rather not pay two hours of labor for nothing.
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Golf IV / Jetta IV :: 2002 GTI - Loud Whistling Sound On Cold Start
I am having an issue with my 2002 GTI 1.8T. I have tried searching for an answer to this, and found a couple things saying maybe it could be the secondary air pump but wanted to get more opinions before I go shell out money to chase this problem.
When I start up the car in the morning after having it sit overnight, the car does the normal thing where it increases rpm's to about 1100 to warm it up. During this a loud "whistling" noise can be heard. Once the car is warmed up a little bit, the rpm's decline to about 900, and the whistling sound goes away. When this happens though it almost sounds as if a valve or something is closing causing the noise to go away.
Also, I am unsure if this is related to this, sometimes when I am driving, I will be accelerating and the car seems to stop accelerating as strong as it was, boost goes down from around 8 or 9 psi to about 4 and I seem to lose power as if I had let off the gas some. When I put my foot further down the car accelerates harder again and boost goes back up.
I have already changed spark plugs, cleaned MAF sensor, and run the 3m 3 part engine cleaning kit through it.
Golf IV / Jetta IV :: 2000 - Won't Start At Cold / Poor Fuel Mileage
I own a 2000 Jetta VR6 5 speed. Car has over 300,xxxkm on it, with documented maintenance including chains within the past 12k. Car has intake, 2.5" resonated exhaust, stock software.
I have recently noticed that the car has a cold start issue. Its winter here in Canada, so in the morning when i go to start the car and let it warm up for a couple minutes, the idle is choppy at first and then evens out at around 900-1k rpm. If i try to blip the throttle, or even hold it (half way or WOT) the car just wants to bog out, EXTREMELY rough idle. It will eventually, after about 2 mins of idling, go away and i can drive.
I have absolutely no issue with allowing the car to idle for a few mins to warm up, but i know for a fact that whether a car is cold or not, it should be able to rev freely.
I also have horrible fuel milage. I use 91 octane, and average about 250-300km per tank. 70% city 30% hwy driving.
The following parts have been replaced in the past 1200 to try and resolve the issue
OE Mass air flow sensor
OE spark plugs
BREMI wires
OE Bosch front O2 sensor
I have scanned the car several times, which led me to change the parts i did. Only had a CEL once and it was for the front O2 sensor which i just replaced. Any other codes were for random multiple and a cat efficiency fault. Again those were fault found off a GFF test done at VW, they were not enough to trigger a CEL, but i still changed the parts.
Golf IV / Jetta IV :: High Pitched Noise / Whoosh Sound From Intake At Low Rpm When Car Is Cold
I have a 2002 jetta 1.8t with unitronic stage 2 ECU and following mods:
ssqv BOV with recirc fitting (so acts like a DV)
3 inch open downpipe
Water/Meth injacetion (-35c washer fluid)
Short ram intake+heat sheild.
Spring loaded wastegate.
So for a while now I could hear a very quiet high pitched sound along with a whoosh sound from the intake at low rpm when the car is cold, after 5-10 minutes of driving the sound changes to where i just hear the wooosh from the intake, no high pitched.
I went out, let my car park for about an hour or 2 in 0c temp. went to drive it,everything is fine, the car just hit 90c. so i floored it, but traction control was on and i have winter tires, so it barley got to 4k rpm. CEL started flashing, no throttle control, really annoying high pitched sound from engine bay with lightest touch of throttle. the trubo was boosting to 22 psi and holding up to 16 PSI at redline before this happened.
The car would struggle to stay at idle, massive vibrations. but after reeving to 2k+ rpm no issue staying at that rpm, no blue/black smoke from exhaust. i scanned it and only got misfire codes and this strange code : "17925 - power supply relay for ecu (J271 or J363): electrical malfunction"
I had to clear the codes 3-4 times and restart the car 3 times for the power supply relay code to go away. but all the misfires, the high pitched sound stayed. it would misfire while driving, then stop, and then again.
I also logged with VCDS, and flooring it from 2k rpm to 2.6k rpm resulted in 0 extra boost over idle (idle boost was 980mbar).
Is my turbo blown 100% because of that sound, or could it be something else causing the "dentist drill" sound? And what about the power relay issue for ECU, could this cause any of the symptoms?
Golf IV / Jetta IV :: Coolant Temp Light Came Flashing On - Oil Getting Into Coolant
Okay so recently I was driving my 2000 Jetta and the coolant temp light came flashing on, when I went to check the coolant I was surprised to discover that it was like a mud brown color, almost looks like peanut butter. From everything I have read this can be from a few things, either rust build up that is gunking everything up and oil getting into the coolant somehow. I'm pretty sure its rust build up but I was wondering what everyone thinks about this, I was also not using G12 coolant which I'm told now is the premier brand for VW's.
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