Heated Oxygen Sensor? (long)
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Joined: Jul 2000
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Heated Oxygen Sensor? (long)
Car - 1993 90S 2.8 12v V6.
I had the auto-trans replace with a rebuilt unit from German Trans Axle (portland, OR) at a local trans shop although I had requested a Audi rebuilt unit. (Its a longer story).
After about 400 miles on the highway on a cross country trip the trans went into LIMP mode. Basically it stayed in 3rd gear. Ran fine the next day.
The trans shop had the car scanned by Audi. I was told it was caused by the Oxygen Sensor that put the trans into LIMP mode. I was given the print out of the scan.
My questions are:
1. Can the Oxygen Sensor put the trans into LIMP mode? I've heard of German engineering, but come on!
2. On the print out it reads:
Coding 0011
1 DTC recognized
00555 003
Heated Oxygen Sensor II -G108
No signal
sporadic DTC.
Which Oxygen Sensor is the problem? Driver or Passager Side? Handwritten on the printout reads: Bank #2, Sensor #1, Pre-CAT.
3. Can I bench test the Oxygen Sensor before replacing it to verify it's bad?
I had the auto-trans replace with a rebuilt unit from German Trans Axle (portland, OR) at a local trans shop although I had requested a Audi rebuilt unit. (Its a longer story).
After about 400 miles on the highway on a cross country trip the trans went into LIMP mode. Basically it stayed in 3rd gear. Ran fine the next day.
The trans shop had the car scanned by Audi. I was told it was caused by the Oxygen Sensor that put the trans into LIMP mode. I was given the print out of the scan.
My questions are:
1. Can the Oxygen Sensor put the trans into LIMP mode? I've heard of German engineering, but come on!
2. On the print out it reads:
Coding 0011
1 DTC recognized
00555 003
Heated Oxygen Sensor II -G108
No signal
sporadic DTC.
Which Oxygen Sensor is the problem? Driver or Passager Side? Handwritten on the printout reads: Bank #2, Sensor #1, Pre-CAT.
3. Can I bench test the Oxygen Sensor before replacing it to verify it's bad?
New Member
Joined: Jul 2000
Posts: 4
Likes: 0
Re: Heated Oxygen Sensor? (long)
I had similar symptoms on my 93 Audi 100 auto trans. On some days the transmission goes to 2nd gear during decelaration and stays there. Took it to the agent, changed sensors but only got temporary relief. Service center doesn't think ATF is the problem because it was changed recently. Finally convinced the service center to change ATF and filter. Been running smoothly for the past 10 months.<p>Frank
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