DTC P2450 - EVAP System Switching Valve Performance/Stuck Open
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2018 Lincoln Navigator, 2018 Lincoln MKZ, 2018 Lincoln MKX, 2018 Lincoln MKT, and 2018 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
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: |
|
||
| 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 . | ||