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Home >> Jeep >> 1993 >> Cherokee Base, 2D Utility, 2.5 P, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments >> Ignition Timing

Ignition Timing

All Jeep vehicles are equipped with Powertrain Control Module (PCM) computerized ignition system. PCM controls ignition timing. Adjustment is not required or possible.