P2450 - EVAP System Switching Valve Performance/Stuck Open
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P2450 - EVAP SYSTEM SWITCHING VALVE PERFORMANCE/STUCK OPEN
| Description: | The PCM commands the evaporative emission (EVAP) vapor blocking valve closed while vacuum is present in the fuel tank. If the valve does not close, the vacuum in the tank is quickly lost. This DTC sets when the rate of vacuum loss is greater than a calibrated threshold. | ||
| Possible Causes: |
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| Diagnostic Aids: | Retrieve all continuous memory and on-demand self-test DTCs from the PCM. Diagnose and repair any circuit related EVAP vapor blocking valve DTCs before diagnosing this performance DTC. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test HX . | ||