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Home >> Ford >> 1997 >> Expedition 4WD V8-5.4L SOHC VIN L >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Engine >> Tune-up and Engine Performance Checks >> Ignition Timing >> Adjustments

Ignition Timing: Adjustments

Electronic Ignition (EI) engine timing is entirely controlled by the PCM and is NOT adjustable.

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