LEMON Manuals: Even more car manuals for everyone
Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 70 (Engine Controls - Powertrain DTC Charts & Descriptions (Except Diesel & Hybrid)) >> Diagnostic Trouble Code (DTC) Charts And Descriptions >> P0454 - Evaporative Emission System Pressure Sensor/Switch Intermittent

P0454 - Evaporative Emission System Pressure Sensor/Switch Intermittent

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2016 Lincoln Navigator, 2016 Lincoln MKZ, 2016 Lincoln MKX, 2016 Lincoln MKT, and 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
DTC DESCRIPTION P0454 - EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH 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 .