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Engine Control System - Self-Diagnostics - 5.3L: Maintenance Chevrolet TrailBlazer I

Testing & Diagnostics

ENGINE OIL LIFE RESET

  1. Turn the ignition to ON without starting the engine.
  2. Fully push and release the accelerator pedal slowly three times within five seconds.
  3. If the CHANGE ENG OIL light flashes for five seconds, the system is reset. If the light does not flash, repeat the procedure.

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