Having problems with your GMC C1500 ?

A friend of mine hooked up a computer to My 1992 gmc sierra pickup and got error codes 44 and 43. But is not sure what they are. Please help

Posted / edited by AnonymousUser on : 20-05-2019

Answers :

43= electronic spark control- ESC module is not receiving a knck signal from knock sensor.
\015\01244=Lean exhaust. check wiring and connectors from oxygen sensor to the ECM.
Repair Help & Product Troubleshooting for GMC C1500

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