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Model Year Affected: 1998
The electrical contacts in the ignition switch may fail and result in erratic instrument panel gauge operation or illumination of the Check Engine (SES) Light.
Q&A > GMC > 2004 GMC Envoy
Q&A > GMC > 2005 GMC Envoy
Q&A > GMC > 2003 GMC Envoy
Q&A > GMC > 1998 GMC Envoy