Car won't start all of a sudden

Asked by Jan 06, 2017 at 02:07 PM about the 2002 GMC Envoy

Question type: Maintenance & Repair

Reduced engine power light came on. Battery got drained from window motor
acting up. Had the car jump started, car is turning over, but won't fully turn on.
Battery is charging fine. New alternator. Turned over fine just before it
stopped turning on.

1 Answer

72,145

Most of the time the reduced engine power has to do with the Throttle Positioning Sensor or the plugin having some broken wires. It is best to have the vehicle scanned for any codes to verify the problem.

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