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Home >> GMC >> 1994 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls - Basic Testing - Gasoline) >> Idle Speed & Ignition Timing

Idle Speed & Ignition Timing

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1994 GMC Yukon, 1994 GMC Suburban, 1994 GMC Pickup, 1994 GMC Cab & Chassis, and 1994 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Ensure idle speed and ignition timing are set to specifications. For specifications, see SPECIFICATIONS - GASOLINE article in this section. For adjustment procedures, see ADJUSTMENTS - GASOLINE article in this section.

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