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Trouble codes P0444 and P0447

8.3K views 2 replies 3 participants last post by  Pacosworld  
#1 ·
My 2005 Sedona has these codes and I have to hold the gas pedal down a little and wait 30-60 seconds before driving in cool weather or the engine will die.

P0444 = EVAP EmissionControl System Purge Valve C Open
P0447 = EVAP EmissionControl System Vent Circuit Open

I have replaced the valve-purge control solenoid, the vapor canister vent valve and installed a good used vapor canister. The problem and trouble codes still remain. Does anyone have an idea of what the problem could be?
 
#3 ·
You may have an issue in the wiring. Its best to start isolating the wiring and test for an open in the circuit.
 
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