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Needing to kno if I need a motor??

(1999 Pontiac Grand Am)
in Thomasville, GA on June 11, 2011
Why is my service engine soon light flashing on and off? I replaced the coolant jug and also new spark plugs and wires!!!
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Popular Answer
on June 12, 2011
Flashing service engine soon light means there is a misfire going on, and if you don't act fast, you can do damage to the catalytic converter.

If you have a flashing check engine light having already done plugs and wires - make sure they are routed correctly and the wires are seated properly.
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