Ecm

Asked by GuruDT28C Dec 14, 2017 at 08:42 PM about the 1993 Chevrolet C/K 1500

Question type: Maintenance & Repair

I have a 1993 Chevy pickup C 1500. As I was
jumping it I burnt out the sea ECM computer. I
replace the computer with one from irreparable
wrecking yard and the salesman told me to replace
the blue chip that was on my old computer into
that one and the truck started but it ran real rough
and it doesn't shift the gears like it used to takes a
very long time to shift and it turns off at a stop and
the check engine light is on

2 Answers
101,515

KenF answered 6 years ago

You have a new ECM but it will need to be re-flashed to whatever factory spec required for your vehicle. Obviously the donor computer is not programmed to your specific needs. This will need to be done at a service dealer.

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