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Home >> Ford >> 1992 >> Probe GT, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing >> 4-Cylinder Idle Speed
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4-Cylinder Idle Speed

Engine idle RPM is fixed and cannot be changed by standard adjustments. A scan tool must be used because the control strategy and idle speed is controlled by the ECA. See IDLE SPEED in ADJUSTMENTS article in the ENGINE PERFORMANCE Section.