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Home >> Cadillac >> 1984 >> Cimarron Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Single Unit TBI >> Operation >> Data Sensors >> Vehicle Speed Sensor (VSS)

Vehicle Speed Sensor (VSS)

The VSS is mounted behind the speedometer in the instrument cluster. This sensor provides the ECM with pulses to determine vehicle speed. This information is used by the ECM to control the IAC assembly, canister purge and torque converter clutch.

NOTE: Vehicle should not be driven without the VSS installed.
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