GMC C1500 OBD1 Codes
Browse GMC C1500 OBD1 Codes questions and answers. Choose a question that matches your symptoms.
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1993 GMC C1500 CODE 54
When I Start Engine I Have To Hold The Throttle Open For It To Run. It Runs Choppy And Pops Back Through Throttle Body. It Has Code 54...
Asked by 1wwall
1990 GMC C1500 Code 32 EGR
Have A Code 32. Have Changed Egr, Egr Solnoid, And Computer. Still Have A Check Engine Light After Run For 10 Minutes. Engine Stumbles...
Asked by bcy
No Code 12
This Truck Has Had The Computer Replaced With A New One(same Prom) And It Still Doz This: High Idle,pinging,dies Check Engine Light Is On...
Asked by chuck921
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