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Home >> Ford >> 1993 >> Probe Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments - 4-CYL >> Adjustments >> Idle Speed >> 1.9L

Idle Speed: 1.9L

Idle speed is not adjustable. If engine idle is not 730-830 RPM, check for contaminated fuel, vacuum leaks and correct ignition timing. Ensure throttle bore, EGR system and PCV system are clean. If these are okay, see appropriate G - TESTS W/ CODES article for additional procedures.