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Home >> Mercury >> 1988 >> Tracer 2D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> MPFI System >> Quick Test >> Continuous Memory/Monitor Self-Test >> Engine Running

Engine Running

  1. Connect STAR tester or volt/ohmmeter as described in EQUIPMENT HOOK-UP  . Start engine and run until operating temperature is reached.
  2. Activate self-test and wait 2 minutes. Deactivate and reactivate self-test. DO NOT  turn off engine. System is now in Engine Running "CONTINUOUS MONITOR" Mode.
  3. Tap, move and wiggle the suspect sensor and/or harness. If a fault is detected, a service code will be stored and indicated. Proceed to CONTINUOUS MEMORY/MONITOR SELF-TEST CHART to continue with diagnosis.
Fig 1: Continuous Memory/Monitor Self-Test Chart
G94535
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