Diesel Data: Automotive Repair

Component Inspection





Engine

Engine Control - P0451 Evaporative Emission System-Pressure Sensor Range / Performance - Component Inspection

Component Inspection

1. Ignition "OFF"
2. Measure voltage between terminal 3 of the sensor harness connector and chassis ground (Do not disconnect FTPS harness connector)

Specification : Voltage increases proportionally with decreasing pressure (Approx. 2.5 V to 4.5 V)








3. Is voltage within the specification?