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GMC S15 Jimmy Problems

Check Engine Light and Erratic Gauge Operation on GMC S15 Jimmy

Problem Description and Possible Solution

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.

(3 people reported this problem)

GMC S15 Jimmy Vehicles With This Problem

RepairPal Verified
Average mileage: 150,000 (150,000–150,000)
2 model years affected: 1990, 1991
Not Your GMC S15 Jimmy Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
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Car stalls at idle or high speed. replaced fuel pump, catalytic converter, fuel tank, etc... Still stalls but starts right up again.