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16/02/2023 6:50 pm
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I was driving to work and I randomly got a check engine light. I went to auto zone and he scanned and erased the code. I got P2195 Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1). The light did not come back on during the drive home. Can I assume that the air fuel ratio sensor is faulty? The car runs great, it has 195,000 miles. I always use top tier gas and Techron fuel injector cleaner every other oil change so I don't think it would be an injector? Looks like it is the hardest air fuel ratio sensor to get to. Any thoughts or advice greatly appreciated.
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16/02/2023 7:14 pm
Can I assume that the air fuel ratio sensor is faulty?
Don't assume anything. You'll find potential causes and diagnostic steps here:
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