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Home >> Jeep >> 1990 >> Wrangler S >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Controls - Adjustments >> Ignition Timing >> Timing >> 4.0L 6-Cylinder

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

4.0L 6-Cylinder

Timing is controlled by Ignition Control Module (ICM).

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