P0454: Ftp Sensor Circuit Noisy
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2004 Mercury Sable, 2004 Mercury Mountaineer, 2004 Mercury Monterey, 2004 Mercury Marauder, and 2004 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
P0454 - FTP SENSOR CIRCUIT NOISY
| Description: | The fuel tank pressure changes greater than 14 inches of water in 0.10 seconds. | ||
| Possible Causes: |
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| 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 PINPOINT TEST Z: INTERMITTENT Step 1. |