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Home >> GMC >> 1993 >> Forward Control 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Engine Controls - Basic Testing - 3.8L) >> Idle Speed & Ignition Timing

Idle Speed & Ignition Timing

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.

Ensure idle speed and ignition timing are set to specification. Always refer to emission control information label in engine compartment before servicing. If manual and emission label specifications differ, always use specifications on emission label. For adjustment procedures, see ADJUSTMENTS - 3.8L article in the ENGINE PERFORMANCE section.

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