DTC P0451: Evaporative Emission System Pressure Sensor/Switch Range/Performance
WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, 2011 Ford Fusion, 2010 Mercury Milan, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
P0451 - EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH RANGE/PERFORMANCE
| Description: | This DTC sets for a fuel tank pressure (FTP) sensor range (offset) concern. The FTP sensor output is offset by greater than 1.7 inches of water or less than -1.7 inches of water. | ||
| Possible Causes: |
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| Diagnostic Aids: | With the FTP sensor at atmospheric pressure, the FTP parameter identification (PID) normally indicates 0 inches of water. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HX . | ||