P2a00 Code
11-08-2009, 09:21 PM
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P2a00 Code
My CEL came on the other day, and I read the P2a00 code (02 sensor). After reading, I reset the CEL and it hasn't come back on again after about 400 miles so far. If I had a bad 02 sensor would it activate the CEL and throw the code again?
11-09-2009, 12:19 AM
#2
"California Style"
Most likely if it was bad, then it would come back on. Until it does, I would not worry about it as these emmisions systems can be very tempermental. Next time, take it in to the dealer and see what they have to say. Hopefully you have a good one (other than sales)...
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