Need Help: SES light on after catbypass and O2 sim install
05-03-2004, 11:35 PM
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Need Help: SES light on after catbypass and O2 sim install I just put in catbypasses and O2 simms (intalled on the rear sensors) on my 01 Z28. After reseting the PCM the SES light turns off but turns back on after driving a few miles. I reset my PCM about 3 times now. What could be the prob and what can i do about it? thanks in advance...
arthur
arthur
