Hey guys. Took my 2000 TJ off roading today. I went through some big puddles, splashin' water all about. Anyways, on the drive home, i noticed my car back-firing, and the check engine light turned on.
I believe they only turn off when reset. They don't just go off once the problem is fixed. A lot of auto parts stores will do this for free such as NAPA
Disconnect the battery's negative lead for 2-3 minutes to clear the CEL.
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