P1791 ISUZU - Vehicle Speed Sensor Range/Performance Problem
- Faulty Vehicle Speed Sensor
- Vehicle Speed Sensor harness is open or shorted
- Vehicle Speed Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1791 Isuzu DescriptionThe Vehicle Speed Sensor (VSS) is driven by the differential. It generates a pulsed signal from an input 5 volts. The number of pulses per minute increases/decreases with the speed of the vehicle.
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