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P0444, Evaporative Emission System Purge Control Valve Circuit Open". I believe this (small) valve is located underneath the intake manifold behind the oil filter housing. Since there are other codes that indicate leaks in the evap system, you might have to replace the PCV, P0604 could be the coolant level, or a stuck thermostat, top up the coolant, or replace thermostat would be advisable.
hope tis helps
Possible causes- Evaporative Emission (EVAP) Purge Solenoid Control harness is open or shorted - Evaporative Emission (EVAP) Purge Solenoid Control circuit poor electrical connection - Faulty Evaporative Emission (EVAP) Purge Solenoid Control
That is a problem in the evaporative emission control system.
Could be anything causing it
Clogged filter in the charcoal canister
A leak in one of the vacuum lines
The purge valve not working,,,etc.
The best thing is to take it and have it checked out, they might have to do a smoke test to find the problem.
All they do is inject smoke into the system, if there is a leak the smoke will come out of it. All it takes is a pin hole in these emission systems to screw it all up.
P0446 Evaporative Emission System Vent Control Circuit.
The following are descriptions of all Evaporative possible codes:
P0441 Evaporative Emission System Incorrect Purge Flow P0442 Evaporative Emission System Leak Detected (small leak) P0443 Evaporative Emission System Purge Control Valve Circuit P0444 Evaporative Emission System Purge Control Valve Circuit Open P0445 Evaporative Emission System Purge Control Valve Circuit Shorted P0446 Evaporative Emission System Vent Control Circuit P0447 Evaporative Emission System Vent Control Circuit Open P0448 Evaporative Emission System Vent Control Circuit Shorted P0449 Evaporative Emission System Vent Valve/Solenoid Circuit P0450 Evaporative Emission System Pressure Sensor/Switch P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance P0452 Evaporative Emission System Pressure Sensor/Switch Low P0453 Evaporative Emission System Pressure Sensor/Switch High P0454 Evaporative Emission System Pressure Sensor/Switch Intermittent P0455 Evaporative Emission System Leak Detected (large leak) P0456 Evaporative Emission System Leak Detected (very small leak) P0457 Evaporative Emission System Leak Detected (fuel cap loose/off) P0458 Evaporative Emission System Purge Control Valve Circuit Low P0459 Evaporative Emission System Purge Control Valve Circuit High
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At least the cap isn't loose for the gas tank.
I would clear the code with an OBD-II Scanner 'erase code' button, and see how long it takes for it to come back.
CODE PO562 SYSTEM VOLTAGE LOW.THIS COULD BE THE PROBLEM.YOUR ALTERNATOR NOT CHARGING.NOT ENOUGH POWER TO RUN THE PCM.HAVE YOUR CAR CHARGING SYSTEM CHECKED.
the purge valve i believe is located near your gas tank unless theyve moved it i should look like a little canister cyclinder shaped. both codes could be set off by the same problem. try replacing the valve.
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