This code has come and gone on its own, and i'm trying to replace the sensor to fix it. Fair enough, but can someone tell me where and what side each of these is on so i can buy the parts correctly? It is the one after the core of your catalytic converter. Sensor 1 refers to the upstream o2 sensor or the o2 sensor before the 2001 audi a6 eobd code: I have a 2001 audi a4 avant quattro. I found out my 2000 audi a6 needs the bank 2 sensor 2 and bank 1 sensor 1 o2 replaced. Bank two refers to the other bank of cylinders that do not contain cylinder #1. My check engine light went on, so i went and had her scanned. Where is the bank 2 oxygen sensor 1 located? I have a 2000 audi a6 quattro with 2.8l engine, got a p0154 error code stating o2 sensor circuit no activity detected.
I have a 2001 audi a4 avant quattro.
I pulled the seat, rolled back the carpet, and no connector. Check engine light on & trac off light on. Sensor 1 = upstream, sensor 2 = downstream. Can anyone point me in the direction of its location?
I was able to pickup a voltage on bank 1 sensor 2, but did not receive. Fair enough, but can someone tell me where and what side each of these is on so i can buy the parts correctly? Looking for the o2 sensor location.
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