P0454 - Evaporative Emission System Pressure Sensor/Switch Intermittent - DTC Chart
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 Lincoln Navigator, 2015 Lincoln MKZ, 2015 Lincoln MKX, 2015 Lincoln MKT, and 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
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:
|
|||
| 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 . | ||