Hey all,

I recognize that these two codes are pretty simple replacements but that does not appear to be the case in my situation.

Codes:

P1446 - EVAP Canister Vent Valve Malfunction (Closed)
P1444 - Purge Volume Control Valve

I have replaced the vent valve for code P1446 twice now and also replaced the purge valve for code P1444 with a new purge valve solenoid to test if that was the problem and to no avail I still receive the same two codes. Thus, the parts are not the problem.

I turned the ignition and listened for the vent valve to close when the ignition was turned on and that seems to be functioning properly. Is it possible that the valve is remaining closed due to a electrical error that is not within the replaced valve itself? How might I test this?

Any ideas on other possible issues?

History:

- A good amount of oil spilled on top of the charcoal canister and got into it from my trunk (spilled oil in the trunk).

- The car was throwing a P0442 code that indicated a small leak. This was also its the P1444 and P1446 that persist. Got it smoke tested and the mechanic suggested to replace the charcoal canister, which I did. Went back and he said there was no longer a leak and indeed the code is gone. The P1444 and P1446 are still there after the codes were cleared but the mechanic.

- The car drives rough but the idle fluctuation has gone down with the replacement, it now only occurs lightly.

End History:

Thank you for any and all help everyone!

Angel

 

The issue was the vent valve solenoid. Although I had replaced it already, it appears that the replacement was also faulty. Replaced with a new one, removed the battery for an hour and re-connected. Codes are gone.