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Home >> GMC >> 1997 >> Forward Control 5.7 R, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Engine Testing - 5.7L (P Series) >> Idle Speed & Ignition Timing

Idle Speed & Ignition Timing

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

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