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Home >> GMC Truck >> 1983 >> S15/T15 2WD P/U V6-173 2.8L VIN B 2-bbl >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Test Positions >> MPH

MPH

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

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