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Home >> Chevrolet >> 1991 >> C3500 HD 5.7 K, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing (Gasoline)
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Idle Speed & Ignition Timing (Gasoline)

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

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