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Home >> Saturn >> 1993 >> SL >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Crankshaft Position Sensor
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Crankshaft Position Sensor

Crankshaft position sensor, used on 3.3L and 3.8L models, utilizes a Hall Effect switch mounted near vibration damper. The sensor monitors vibration damper position (crankshaft position) and sends signals to ignition module. These signals provide ECM with a TDC position reference for each piston, as well as supplying an engine speed (RPM) signal.