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

Engine Running Self-Test: Notes

This test is conducted of the engine control system with the engine running. The sensors are checked under actual operating conditions and at normal operating temperatures.

NOTE: It is necessary to clear codes in memory before continuing with this test. Also DO NOT  depress throttle during test.
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