is there a big difference in a 92 and 93 4.3 ecm

Asked by Matthew Jul 22, 2016 at 07:56 PM about the 1993 Chevrolet S-10 Tahoe 4WD

Question type: Maintenance & Repair

howdy just swapped a 93 4.3 for a 92 4.3 the ecm has different plug ins and
i'm getting a code for the tc sensor so its loading up and idling rough other
than that runs good

1 Answer

695

The temp control sensor sends a msg to the ecm that ist cold so your running rich that's why it's idleing rough,the tc has gone bad and it will always send the same signal to the ecm and in turn ecm to the injectors to poor more fuel,so it will Condi he to idle rough until they are replaced

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