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Home >> Audi >> 1994 >> 90 CS Quattro >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Closed Throttle Position (CTP) Switch

Closed Throttle Position (CTP) Switch

CTP switch closes at about 1.5 degrees before primary throttle plates close. When CTP switch is closed, a ground signal is supplied to MFI ECM. MFI ECM uses this ground signal to activate the following functions:

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