P0454 - Evaporative Emission System Pressure Sensor/Switch Intermittent
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P0454 - EVAPORATIVE EMISSION SYSTEM PRESSURE SENSOR/SWITCH INTERMITTENT
| Description: This DTC sets when 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 greater than 15 inches of water to less than 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 HX: EVAPORATIVE EMISSION (EVAP) SYSTEM AND MONITOR . | ||