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Old 07-09-2015, 05:00 PM   #2
maddoggyusa

 
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Drives: 2013 Camaro Dusk 2SS/6
Join Date: Sep 2013
Location: New Jersey
Posts: 1,586
nobody can help you unless you have the car scanned and share the code. I'm guessing since they took off the exhaust, you have an issue in the cat sensor or wiring.

go back to dealer.
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