Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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The code refers to large leak in the evaporative system. Little complex as the system has check valve, canister, hoses, etc however, the most common area when this code comes up is either loose gas cap, or bad gas cap
I have a 2008 impala with a ob2 code 455, were do i start to look.
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