Check Engine Light and Erratic Gauge Operation on Chevrolet S10 Blazer

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.

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Average mileage: (–)
5 model years affected: 1990, 1991, 1992, 1993, more1994
6 people reported this problem
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