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Home >> GMC >> 2003 >> Envoy RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Self-Diagnostics - 4.2L >> Programming >> Engine Oil Life Reset
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Engine Oil Life Reset

  1. Turn ignition on, with engine off.
  2. Fully push and release accelerator pedal slowly 3 times within 5 seconds.
  3. If the CHANGE ENG OIL light flashes for 5 seconds, the system is reset. If light does not flash, repeat the procedure.
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