Joined: Apr 2018

Posts: 10

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Hey I have a 2002 camaro z28. And 1 day I cranked it up with no problem and I was sitting to let it warm up and all of a sudden a heard a random pop out the exhaust like a gun shot. It never do it while I’m driving only when I’m at a stop light or parked and it’s always random never consistent. I changed the 02 sensor mas air flow sensor and plugs... what could be the problem?

Joined: Jul 2014

Posts: 10,451

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From: My own internal universe