Question about 2003 Chevrolet Impala
Hello and welcome, when the check engine light flashes, this means a engine miss that can cause damage to the cat. converter if you keep driving, you will need to have the system scanned for trouble codes, probably has a code P0300. a engine miss can be caused by spark plugs, plug wires, ignition coils, injectors or even a internal engine problem
Posted on Apr 05, 2011
I had the. Same prob replaced the icm
Posted on Jul 07, 2011
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Posted on Jan 02, 2017
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