DTC P0454: Fuel Tank Pressure (FTP) Sensor Circuit Noisy
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P0454 - FUEL TANK PRESSURE (FTP) SENSOR CIRCUIT NOISY
| Description: | 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 above 15 inches of water to below minus (-) 15 inches of water often in 1 minute. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | - | - | GO to hD: Misfire Detection Monitor STEP HD1. |