LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2021 >> Edge ST-Line, FWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P0454 - EVAP System Pressure Sensor/Switch A Circuit Intermittent
April 5, 2026: LEMON Manuals is launched! Read the announcement.

P0454 - EVAP System Pressure Sensor/Switch A Circuit Intermittent

DTC DESCRIPTION P0454 - EVAP SYSTEM PRESSURE SENSOR/SWITCH A CIRCUIT INTERMITTENT

Description:  This DTC sets when the fuel tank pressure changes greater than 14 inches of water in 0.10 seconds.
Possible Causes: 
  • FTP circuit intermittent open
  • FTP circuit intermittent short
  • FTP sensor intermittent open
  • FTP sensor intermittent short
  • Contaminated FTP sensor
  • Damaged FTP sensor
Diagnostic Aids:  Monitor the FTP PID and note if it changes from greater than 15 inches of water to less than minus (-) 15 inches of water often in 1 minute.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to Pinpoint Test HX.