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Home >> Ford >> 2017 >> C-Max Energi SE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Powertrain DTC Charts & Descriptions (Hybrid) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P0451 - EVAP System Pressure Sensor/Switch Range/Performance
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P0451 - EVAP System Pressure Sensor/Switch Range/Performance

P0451 - EVAP SYSTEM PRESSURE SENSOR/SWITCH RANGE/PERFORMANCE

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 .
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