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Home >> GMC >> 1996 >> Forward Control 5.7 R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 53 (Engine Controls - Basic Testing - 3.9L) >> Idle Speed & Ignition Timing

Idle Speed & Ignition Timing

WARNING: This page is about a different car, the 1995 Dodge Ram Wagon, 1995 Dodge Ram Van, 1995 Dodge Pickup, 1995 Dodge Dakota, and 1995 Dodge Cab & Chassis. 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 - 3.9L article in the ENGINE PERFORMANCE section.