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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
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