DTC P0444: Evaporative Emission System Purge Control Valve A Circuit Open
WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.
P0444 - EVAPORATIVE EMISSION SYSTEM PURGE CONTROL VALVE A CIRCUIT OPEN
| Description: The PCM monitors the state of the EVAPCP circuit output driver. This DTC sets when the signal moves outside the minimum or maximum limit for the commanded state. | |||
Possible Causes:
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| Diagnostic Aids: To verify normal function, monitor the EVAPCP PID. With the valve closed, the EVAPCP indicates 0% duty cycle. When the valve is commanded fully open, the EVAPCP indicates 100% duty cycle. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HZ . | ||