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Home >> GMC >> 1993 >> Forward Control 7.4 N >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing (Gasoline)

Idle Speed & Ignition Timing (Gasoline)

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