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Home >> Ford >> 1993 >> Probe Base, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - EEC >> Computerized Engine Controls >> Input Devices >> Idle Switch

Idle Switch

The idle switch detects when throttle is closed and sends signal to PCM, indicating idle conditions are present. On 1.8L and 2.5L, idle switch is integrated into the throttle position sensor. On 2.0L A/T, idle switch is mounted on throttle body. On all models, PCM uses this signal to adjust air/fuel ratio and idle speed.

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