P0451 - EVAP System Pressure Sensor/Switch Range/Performance - DTC Chart

P0451 - EVAP SYSTEM PRESSURE SENSOR/SWITCH RANGE/PERFORMANCE - DTC CHART

Description: This DTC sets when the fuel tank pressure (FTP) sensor signal is out of range.
Possible Causes: FTP sensor intermittent open FTP sensor intermittent short FTP circuit intermittent open FTP circuit intermittent short Contaminated FTP sensor Damaged FTP sensor Damaged PCM
Diagnostic Aids: With the FTP sensor at atmospheric pressure, the FTP PID normally indicates 0 inches of water.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to Pinpoint Test HX .