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Bad O2 sensor
I had leak in my b-pipe so I replaced it with a used one. As soon as I got it back the check engine light comes on 10 minutes after starting the car. I pulled the CEL code and it's 1 which means it's the 02 sensor in that b-pipe. I called the shop and they said I would have to pay for the sensor and install. Do you think it was their fault or should I just buy the part discounted and have them install it? I have not had the CEL come on once in four years of ownership.
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Linear Mode
