DTC P0454 - EVAP System Pressure Sensor/Switch Intermittent

DTC DESCRIPTION P0454 - EVAP SYSTEM PRESSURE SENSOR/SWITCH INTERMITTENT

Description: This DTC sets when the fuel tank pressure changes greater than 1 kPa (4 inches of water) in 0.10 seconds.
Possible Causes: FTP sensor intermittent open FTP sensor intermittent short FTP circuit intermittent open FTP circuit intermittent short Contaminated FTP sensor Damaged FTP sensor
Diagnostic Aids: Monitor the FTP PID and note if the PID changes more than 1 kPa (4 inches of water) often in 1 minute.
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST Z .