1990 GMC S15 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 GMC S15
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1990 GMC S15 ProblemsDriveability Problems Due to Internal Distributor Fault
The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distributor should be overhauled or replaced to correct this concern.
The electrical contacts in the ignition switch may fail and result in erratic instrument panel gauge operation or illumination of the Check Engine Light. A failed ignition switch will require replacement.
1990 GMC S15 QuestionsMy 85 has brake lights but no other ones work (1 answer)
When i turn the key on the throttle body fills up