DTC P0451: - Evaporative Emission System Pressure Sensor/Switch Range/Performance
DTC 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 PID normally indicates 0 inches of water. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test HX . | ||