My Oxygen sernsor are bad Bank 1 sensor 1 and Bank 2 sensor 1. I just change one of them Bank 1 sensor 1.

1997 CADILLAC STS
164 MILES
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EDERTARIN
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My question is why is my car running like if is missfiering?? what should I do now? is it because I just change One of them?

Hopefully some one will help me with this question tank you for your time and care.

EDER T.R.
Sep 13, 2012 at 2:27 AM
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ASEMASTER6371
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o2 sensor is and never was bad. you have a missfire and the sensor cannot adjust properly. you must find out and repair the missfire so the sensor can function again.

Roy
Sep 13, 2012 at 2:42 AM