DTC P0454: Evaporative Emission System Pressure Sensor/Switch Intermittent
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P0454 - EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH INTERMITTENT
| 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 . |