Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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Did you replace spark plug wires?
been there done that guess im at the wrong place at the wrong time, when im usually around the code reader the check engine light is not on, but shows no store odbII stored codes either... weird.
well, would egr valve cause the check engine light to flash at highway speeds, local mechanic said check engine light flashing is bad