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Home >> Pontiac >> 2000 >> Firebird Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Analog Instrument Panels >> System Tests >> Check Engine Oil Indicator Light Tests >> Check Engine Oil Indicator Light Inoperative

Check Engine Oil Indicator Light Inoperative

  1. If diagnostic system check has been performed, go to next step. If diagnostic system check has not been performed, perform INSTRUMENT CLUSTER DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Turn ignition on and observe CHECK ENGINE OIL indicator light. If indicator light turns on during bulb check, turn ignition off and go to next step. If indicator light does not turn on during bulb check, problem may be intermittent. Try to recreate fault by wiggling wiring and connectors. Check for faulty connections at all connectors that may be causing intermittent condition. See WIRING DIAGRAMS  .
  3. Connect scan tool to Data Link Connector (DLC). Turn ignition on. Using scan tool, select WOW mode. Command instrument cluster indicator lights on. If CHECK ENGINE OIL indicator light does not turn on, go to next step. If CHECK ENGINE OIL indicator light turns on, no problem is indicated at this time. Test is complete.
  4. Replace instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION. Check system operation.
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