Golf IV / Jetta IV :: 2002 - Code PO343 Came Up After New Temp Sensor And Valve Cover Gasket
I have a a 02 jetta 1.8 turbo the code po343 came up after new temp sensor,valve cover gasket and full tune up. is it an easy fix the car is misfiring an very hard starting.
View 1 RepliesGolf IV / Jetta IV :: Misfiring / Rough Acceleration When Cold Outside
Firstly, my car is a 2001 with a 1.8T, 5 speed manual. It has APR's 93 with the mode-switching software, a FMIC, a short ram air intake, the SAI delete and the original DV (used to be a Forge 007). I bought the car in 2008 and it didn't have this problem until the following winter, sold it in 2012 and recently bought it back from the guy I sold it to.
My car will start and idle great, and accelerate through first gear without problem. In second and third gear, when it hits around 3000 RPM, it just suddenly starts to sputter and run like crap and not get any kind of boost. Fourth and fifth gear, I can run it until it peaks and it'll never miss a beat. It only does this when it gets cold outside (sub-30 degrees) and is perfectly fine the other nine months out of the year. I usually don't drive it in the winter if it's avoidable, but I have to travel a lot this year and would like to drive it instead of my truck.
In the past few years/15K miles, I've replaced:
- All four coilpacks
- All new spark plugs
- New coilpack harnesses
- Catalytic Converter
- Throttle body (twice)
- Diverter valve (back to stock, other owner did it)
- SAI delete (other owner did it)
- Fuel Filter
- O2 sensor
- ECU (the factory one got shorted and had to be replaced back in '08)
I've also gone through and checked every vacuum line and can't find any leaks (including spray testing). My CEL is on due to the SAI delete. I've tried it in both the stock and APR mode and it doesn't make a difference.
Golf IV / Jetta IV :: 2002 VW Intermittently Starts / Jerking Feel And Sound Of Misfiring
The car is a 2002 VW Jetta, automatic 1.8t GLS. 146k miles on it. Has an external amp/sub wired up by my brother who is an MECP certified tech and has been doing car audio and overall Audi/VW for years.
I was driving, nothing out of the usual, this car is my daily. Stopped because of traffic and my car died in the middle of traffic, the gauges (tach, speedo, gas, etc) spiked immediately, which I assumed meant loss of electricity, but my radio, headlights and everything else stayed on. The oil and Battery lights came on as well. Tried to start it, it was trying to start, and was cranking quickly, but wouldn't turn over. I got it out of traffic. I pulled my amp power and the car turned over and started driving like normal, so i figured there had been a short in the wire and that was what caused my issue. Drove about a half mile down the road, car shut off again, car said it needed oil this time. checked the oil, there was plenty, but i put more in to be safe, and it turned right over and i managed to drive it about 30 minutes and got it back to my house.
So, my brother and i look the car over, couldn't find anything really wrong with it, so we took it out for a drive, no problem at all for the first few minutes of driving. Car shuts off again, doing the same thing, but just the battery light came on. My brother jumped my car, it turned over, but as i started to drive it, it was a lot more rough with shifting (possibly tied to electrical problems because i know there is a solenoid cluster for automatic transmissions), i mean you could actually hear the gears shifting and the car was kicking through each gear, as well as my driver side headlight not turning on (just installed brand new xantec 6k 55w HIDs, but i dont think those are the problem because the problem started before i installed the HIDs) and died 3 more times before i got it home, having to jump the car every single time with symptoms the same as the first time it died without the oil light. Another thing i noticed is that the car seemed to only die when i hit the brakes and the car went to low RPMs, which lead me to believe a major vacuum leak. At idle the car also seemed like it was misfiring even though the CEL was not flashing, it just had the jerking feeling and sound of misfiring.
My brother and i take a better look into the bay area, and noticed that the top of my engine was covered in oil, from the intake manifold back. I know my car has been leaking oil, but not spraying it. We pulled everything apart, totally cleaned the engine bay area out including MAF, spark plugs, coil packs etc. The engine bay area looked practically brand new. Now i do know that my car has had a vacuum leak (no boost gauge to tell how bad, but the brakes were a little bit less responsive and the car was acting as though it was misfiring despite the fact that the coil packs and spark plugs are brand new) and we couldn't find where it was, and we thought that maybe that was the problem. A lot of the vacuum line was dry rotted and falling apart and some parts weren't even connected anymore from that, which we replaced all of the line we could find to eliminate the idea of a vacuum leak causing the car to die when i hit the brakes. We also tested the battery with a multi-meter which read variably between 13.8-14 V, which if i understand correctly is within normal range, but oddly enough we put the battery through a stress test including turning on defrosted, turning sound system back on, headlights on etc, and the voltage didn't read much different, still bouncing between 13.8-14.
When tearing things apart, we also found that the starter solenoid was unbelievably loose due to a bad transmission mount, and one bolt was missing, so we were thinking that could be arcing causing the problems, but when the solenoid was tightened down, the problems still persisted.
Started the car, let it warm up, and it seemed perfectly fine. I drove it into town without problems, but forgot my wallet at home, so i had to turn around and go back. Almost made it home, the car died while stopping at a stop sign. Tried turning it back over, nothing the first 3 times, let it sit for about 5 minutes and the car turned right over as if nothing was wrong. Died again when i made it into my driveway about 0.5 miles away and the symptoms repeated until the car finally just turns on like normal now, but the idle is at 1100 RPMS (not sure if related or not) even though the car is at the optimal temperature. I tried driving it again after the car starts normally like it does now, but it just repeats the symptoms that it has been, cutting off but leaving the stereo, headlights etc on. I managed to get it back in my driveway.
Golf IV / Jetta IV :: CEL Code For Bad Coolant Temp Sensor?
So my check engine light came on in my 04 jetta sw, and when I had the car read, it gave me a code that tracked down to be a bad coolant temp sensor. I bought the replacement part from my local VW dealership, installed it and the check engine light went away. Now about 2 weeks late it came back on, and I am getting a reading of "Coolant temp sensor high voltage". So it goes from needing replaced, then the replacement is running high voltage?
View 3 RepliesGolf IV / Jetta IV :: Code P1340 - Cam / Crankshaft Sensor Out Of Sequence
So I started up my 12v VR6 the other morning and it sounded like a Subie. Threw the awful code P1340: cam/crankshaft sensor out of sequence, and took it to the shop. I'm being charged $1900 for servicing the timing chains, only. Doesn't include water pump and clutch like every other shop does. Reason for this is because in Montana, no one works on these cars. So I this is my only route. I had to choose this small euro repair shop or the VW dealer.
But, they just recently called me and told me I need to get the timing gears changed or whatever? They want to charge an additional $600 or so to do that. Are these gears a real problem? or are they just trying to F me. I mean, $1900 should make this car flawless as it is so I feel that they are attempting to rip me off even more.
Golf IV / Jetta IV :: MAF Sensor Fault Code - No Crank Or Start
I bought an 05 golf GL with a 2.0 and 5 speed in January for commuting to work.
Well, recently. I was on my way home from work, I'm an engine tech for Cummins Inc, and I notice my CEL came on and the car stalled multiple times at red lights. So I limped it home, connected my scanner and the fault was "Implausible signal from Mass Air Flow sensor". I cleared the fault code and tried to start the car. Nothing, no crank no start. Just an audible click from under the hood.
I disconnected the battery for 5 min reconnected it and it started fine. Drove it to work the next day, no issues. I tried to start it again and nothing, CEL was on again for the MAF sensor. I pop started it, car ran like hell, rough idle, low power, etc. luckily I have a dualy that I can drive in the mean time.
Golf IV / Jetta IV :: 2002 - Ambient Temp Sensor Location?
Where the ambient temp sensor is located on my 02 Golf 2.0.
View 5 RepliesGolf IV / Jetta IV :: CEL On With Camshaft Position Sensor Code And Misfire On Cylinder 3
She is a 1999.5 Golf 2.0 (although, she just has a rabbit symbol on the hatch, is she a Rabbit or did someone remove the Golf badge?) I just bought the car, with less than 160,000 miles. The dome lights work sometimes, Door Ding works intermittently as well, but sometimes will "glitch" in other words it will be making the sound but it kind of stutters? Odd? The horn sometimes works, however it is very silent? Check engine light is on with a camshaft position sensor code and miss on cylinder 3. Someone told me to replace the "109 relay"... could this be the problem or is this the CCM?
View 5 RepliesGolf IV / Jetta IV :: Error Code P0113 - Intake Air Temp Sensor
My 2003 Mk 4 Golf have had a lot of error codes and I have cleared most (O2 sensors, thermostat, and Mass Air Sensor) I now have an error P0113 which is the Intake Air temp Sensor.
So I need to clean the sensor first then maybe replace it, but I can't find the sensor on the intake manifold.
I have looked all through the U-Tube info, but nothing matches my 2003 Golf 2.0L ...
Golf IV / Jetta IV :: 2001 - Code P0102 / Air Temp Sensor Circuit Was Low
2001 jetta 2.0 VW guys a while back I was pulling a code saying that the air temp sensor circuit was low I believe it was P0112 so I replaced the maf with a bwd maf. Said it was for the car. Was fine for a day but now it has a P0102 code and the epc stays on (rough idle) what could be wrong ? Is it because the car hasn't learned the new sensor yet because I've only drove 10km or do I have a faulty sensor. BTW replacing the maf fixed the P0112 code
View 5 RepliesGolf IV / Jetta IV :: Check Engine Light Is On For Code P0030 - O2 Sensor
I've been having an issue with my car and the check engine light is on.
The code reads : P0030
Heated oxygen sensor - bank 1 sensor 1
heater control circuit
2001 VW GTI VR6 ....
Golf IV / Jetta IV :: 2004 - Camshaft Position Sensor Error Code
I have a 2004 MK4 Golf 2.0l that's been throwing a CPS error code. My brother was going to come down to visit for a weekend. He had done some diagnostic work and had me order a timing kit and a camshaft position sensor from ECS.
So, with my assembled parts, I brought the car in to a reputable shop. Anyway, the guy does the work and now the car is ready and saying that the CPS took nearly 4 hours more of work.
Golf IV / Jetta IV :: Automatic Shifting - Code P0722 Output Speed Sensor
I just recently purchased my first mk4 golf 2.0 after having a mk3 jetta vr6 for two years. I've been having problems with the car shifting (automatic) i put a code reader on it and came up with p0722 output speed sensor which explains why it sometimes shifts at 4500. My two questions are where is the output speed sensor located? and what is a normal shifting range for properly running automatics?
View 2 RepliesGolf IV / Jetta IV :: Code 00281 - Replaced G68 Sensor But Still Only First Gear And Reverse Are Functional
I started my car the other day and found that it only drives the first gear and I can also put it in reverse. VCDS gave me a 00281 code saying no signal from Vehicle Speed Sensor G68. I replaced the sensor, but it still doesn't go into gear beyond 1st.
VCDS gives me the following codes after replacing G68.
2 Faults Found:
00652 - Gear Monitoring
27-10 - Implausible Signal - Intermittent
00281 - Vehicle Speed Sensor (G68)
03-00 - No Signal
I came across TSB 01-99-02 which says something about the codes being incorrect. It seemed a little vague about whether it is actually G38 or G22. I don't want to buy more sensors only to have it be something else. The speedometer and tach work fine so G22 doesn't seem likely to me.
The VCDS site says it could be several things including bad G68 or G38 sensor, low fluid & bad valve body. Was it the G38 sensor?
Golf IV / Jetta IV :: 2003 - Error Code P0113 / Intake Air Temp Sensor
My 2003 Mk 4 Golf have had a lot of error codes and I have cleared most (O2 sensors, thermostat, and Mass Air Sensor) I now have an error P0113 which is the Intake Air temp Sensor.
So I need to clean the sensor first then maybe replace it, but I can't find the sensor on the intake manifold.
I have looked all through the U-Tube info, but nothing matches my 2003 Golf 2.0L ....
Golf IV / Jetta IV :: Slight Vibration - Knock Sensor 2 (G66) Signal Too Low (code P0332)
I got my car in November and I just did a scan and got this code. I don't have a CEL on. I do feel a slight vibration from time to time. It's very light.
Should I clear all DTCs and then run a scan a couple of days later to see what codes I truly have? Or should I address this code?
If yes, what should I do about this code? Do I need to buy a new knock sensor or should I check the wiring first with a voltmeter?
Golf IV / Jetta IV :: 2003 - Code P0118 / Coolant Temp Sensor Replacement?
I recently got the solid check engine light for my 2003 VW Jetta 1.8T GLS. I used a bluetooth OBDII dongle and Torque Pro to pull the code P0118. This seems to coincide with my symptoms:
Car idle at start in park stays around 1100RPM then in reverse it drops to 1000RPM then back into park and it stays around 900RPM and keeps that at idle.
If I start the car then immediately reverse out of my driveway then the car has a very rough idle but if I wait around 5 seconds in park idle then reverse out of my driveway it is smooth.
My car dash thermometer stays pretty close to the bottom low then after about 4-5 minutes it shoots up to 190F and stays. Gas mileage is also very poor.
I looked up a tutorial which shows the parts needed and how to replace the sensor : [URL] .....
I removed the engine cover and believe I found the coolant temp sensor in the spot the tutorial shows. My question is if there is anything I should be aware of before attempting to replace this sensor that this tutorial doesn't cover? I took a screenshot of what I believe is the coolant temp sensor.
Golf IV / Jetta IV :: Check Engine Light Came On / P0135 Code For Sensor Heater Circuit
I have a 2002 Jetta 1.8t. My check engine light came on and it gave me the code P0135 sensor heater circuit. Bank 1 Sensor 1. We bought a new 02 sensor and replaced it. We definitely bought the right one too. Cleared the codes. After a little driving the CEL came back on with the same code P0135. What is wrong and how I can fix this?
View 6 RepliesGolf IV / Jetta IV :: 2002 - AC Not Blowing Cold Air
I am trying to narrow down what could be the issue to my 2002 vw Jetta VR6 air conditioning. It is blowing air but the air is not cold. If I need to add refrigerant, where I can find the low pressure valve so I can do this on my own with one of those store bought cans.
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