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Home >> Ford >> 2003 >> Excursion 7.3 F, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control System - Adjustments >> Idle Speed >> Gasoline Engines
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Gasoline Engines

Idle speed is controlled by PCM and is not adjustable. If engine idle concerns are present, check PCM for DTCs. See appropriate SELF-DIAGNOSTICS article. If no DTCs are present, perform symptom tests in appropriate TROUBLE SHOOTING - NO CODES article.