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Home >> Oldsmobile >> 1987 >> Calais FWD V6-181 3.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Function Selector Positions >> MPH/VSS

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MPH/VSS

Displays vehicle speed by sensing pulses transmitted to the ECM from the vehicle speed sensor.

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