DTC P144C: Evaporative Emission System Purge Check Valve Performance
P144C - EVAPORATIVE EMISSION SYSTEM PURGE CHECK VALVE PERFORMANCE
| Description: The EVAP check valve test is performed during minimal boost conditions, once per drive cycle, when entry conditions are met. This DTC sets when the fuel tank pressure exceeds a calibrated amount within a specified amount of time during the test. | |||
Possible Causes:
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HX . | ||