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Home >> Mercury >> 1989 >> Tracer 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Tests W/Codes - MPFI >> Determining Codes To Test >> KOEO Self-Test Procedures

KOEO Self-Test Procedures

  1. Connect STAR tester or volt/ohmmeter as described in EQUIPMENT HOOK-UP. Turn on STAR tester and latch center button or ground STI if using volt/ohmmeter.
  2. Turn ignition key to the "ON" position to place system in "CONTINUOUS MONITOR" mode. Tap, move and wiggle the suspect sensor and/or harness.
  3. If a fault is detected, a service code will be stored in memory and will be indicated. Proceed to FAULT CODE/TEST MENU to find the proper test procedure.
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