What is your question?
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What is your question?
my car idles up and down on its own and sometimes kills and i seem to have miss fire but replaced plugs coil packing and wires is this a sign control module is bad
what are symptoms of a bad engine control module
no check engine light, erroneous codes, no starts and other symtoms that are intermittient. that diag is determined by a good tech with the assistance of a scan tool and volt meter. Roy