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Home >> Ford >> 1994 >> Aerostar Van Window Extended, 3.0 U, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Park/Neutral Position (PNP) Switch

Park/Neutral Position (PNP) Switch

The PNP monitors in-gear conditions and sends signal to PCM. This signal affects air/fuel ratio, idle speed and ignition timing.

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