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Home >> Acura >> 1993 >> Integra GS-R >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Vehicle Speed Sensor (VSS)

Vehicle Speed Sensor (VSS)

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Sensor monitors vehicle speed and generates signal to PCM. Signal produces 4 pulses (switch closures to ground) per revolution of speedometer cable. PCM uses input from sensor to determine timing and fuel injection.