2000 A4 with Stuborn Check Engine Light
#12
09-20-2011 | 05:17 PM
2nd Gear
Joined: Nov 2008
Posts: 591
From: NC
Definitely will. Try checking any manuals you have for it. There's a thread about getting a few guys getting the code from the dealer using their VIN, but I think the dealer might charge you. Another guy called Audi of America and got his code for free.
#14
09-22-2011 | 11:38 PM
1st Gear
Joined: Sep 2011
Posts: 5
I am having a similar issue but my codes come up as misfire but the car is running great no hiccups or anything I am shocked the cel light stays on and I need to pass smog but every time I reset the lights theynreturn within 100miles of driving
#15
09-23-2011 | 05:55 PM
Thread Starter
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1st Gear
Joined: Sep 2011
Posts: 10
#18
10-06-2011 | 09:27 AM
Thread Starter
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1st Gear
Joined: Sep 2011
Posts: 10
Some History...
Ok, I fired up the V-Checker last night and got the following 2 trouble codes (in generic mode).
The second code looks to be another oxygen sensor fault (3 have already been replaced but I suppose it's possible that all four need replacement). I'm not quite sure what the first code means but I have read that the "1" in the third position means its a "fuel and Air Metering" related fault (it sounds like a timing issue?).
I also ran though some oxygen sensor tests but I don't know how to interpret the values. Here are the readings for Bank 1 Sensor 2.
If anyone can help me interpret all of this or maybe identify what else I should be looking at it would be greatly appreciated.
Thanks,
Pete
I recently bought a 2000 A4 Quatro Avant with a 2.8 V6 and auto trans. Love the car but within a few days of ownership the CEL came on. I brought it to an independent shop and they told me it needed two oxygen sensors and possibly new converters, but they wouldn't know that until they replaced the sensors. I had them replace the sensors but within a day or so the CEL reappeared.
I next took it to an AUDI dealer for diagnosis. They said they found some cracked vacuum lines, which they replaced and that the # 1 O2 sensor on bank two (drivers side) was bad. I went to PEP Boys and bought an OEM sensor (bosch) and replaced it myself. CEL did not budge.
I next took it to an AUDI dealer for diagnosis. They said they found some cracked vacuum lines, which they replaced and that the # 1 O2 sensor on bank two (drivers side) was bad. I went to PEP Boys and bought an OEM sensor (bosch) and replaced it myself. CEL did not budge.
- P1176 Cam Calibration Fault
- P0139.02 Sensor Circuit Slow Response Bank 1 Sensor 2
The second code looks to be another oxygen sensor fault (3 have already been replaced but I suppose it's possible that all four need replacement). I'm not quite sure what the first code means but I have read that the "1" in the third position means its a "fuel and Air Metering" related fault (it sounds like a timing issue?).
I also ran though some oxygen sensor tests but I don't know how to interpret the values. Here are the readings for Bank 1 Sensor 2.
- Rich to Lean Sensor Threshold Voltage (constant) = 0.572 V
- Lean to Rich Sensor Threshold Voltage (constant) = 0.572 V
- Minimum Sensor Voltage for Test Cycle (calculated) Test Value = 0.000, Max = 0.572 Min = 0.000
- Maximum Sensor Voltage for Test Cycle (calculated) Test Value 0.871, Max 1.004 Min 0.572
If anyone can help me interpret all of this or maybe identify what else I should be looking at it would be greatly appreciated.
Thanks,
Pete
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