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Home >> Ford >> 2015 >> Explorer Limited, 3.5L Eng VIN 8, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid) >> Diagnostic Trouble Code (DTC) Charts and Descriptions >> P0454 - Evaporative Emission System Pressure Sensor/Switch Intermittent - DTC Chart

P0454 - Evaporative Emission System Pressure Sensor/Switch Intermittent - DTC Chart

P0454 - EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH INTERMITTENT - DTC CHART

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 .
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