i had the same problem. its a problem with the valve regulating the amount of gas and oxygen in the engine. its running to lean.
RPM Up & Down
I put my car on Park and the RPM started going up and down on its on and I could also hear my engine noise. It was strange. BTW It 2008 B6 2.0T @ 54K.
After few hours, I turned on my car again and I got Engine Check light. I took it to Close by AutoZone and they gave me two codes P0171 and P0507. They said its oxygen sensor or mass Air Flow Sensor.
Tomorrow morning, I am going to take it to the Dealership so they can check it out. But before I do that and before they take away all my money on service, is there something I can do to fix the issues by myself.
After few hours, I turned on my car again and I got Engine Check light. I took it to Close by AutoZone and they gave me two codes P0171 and P0507. They said its oxygen sensor or mass Air Flow Sensor.
Tomorrow morning, I am going to take it to the Dealership so they can check it out. But before I do that and before they take away all my money on service, is there something I can do to fix the issues by myself.
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