Question about 1992 Pontiac Grand Prix
If you have a diagnostic scantool then connect it to the data link connector of the car in order to reset the Engine Control Module (ECM). Therefore the dash light will shut off.
If you don't have a diagnostic scantool you can try to disconnect the battery from car terminals, wait for 20 minutes, and reconnect the battery in order to reset the Engine Control Module (ECM) and shut off the dash light.
Posted on Oct 12, 2010
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Posted on Jan 02, 2017
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