Is it possible that the failing immobilizer symptoms (stalling out within 1-2 seconds) may be caused by a failing O2 sensor? Odd that there are no O2 codes given that readiness fails on the sensor. What other diagnosis can I do to narrow down to or eliminate the sensor and which of the 2 O2 sensors may be at fault?
[searched the forum but didn't find anything about resetting the immobilizer] Here's the situation: 1. Drove the AR last night no problem. 2. Gave wife 'extra' key this AM so she could use the car 3. She gets in, uses the extra key, and the AR turns over but then stalls out. 4. She's stuck and reverts back to the '89 Legend.
How can I fix an immobilizer problem on an A4? Since this system is delicate, it is advisable to leave this process in the hands of a specialist. First, the technician will scan the car with the adequate diagnosis equipment to check if the problem is actually related to the immobilizer system.
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audi a4 b7 immobilizer reset
