P0441 and P0443 codes - JeepForum.com
 
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post #1 of 4 Old 10-05-2013, 03:43 PM Thread Starter
walton8799
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2000 WJ 
 
Join Date: Dec 2012
Location: auburn
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P0441 and P0443 codes

What does this mean!! Lol

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post #2 of 4 Old 10-05-2013, 03:51 PM
WJ4x4LIFE
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When is the last time you fueled up and did you overfill it? Did the codes come up afterward or before hand fueling up?
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post #3 of 4 Old 10-05-2013, 04:20 PM Thread Starter
walton8799
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Join Date: Dec 2012
Location: auburn
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Never really overfilled I don't believe, it's been on for over multiple stops at the gas station
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post #4 of 4 Old 10-05-2013, 04:57 PM
WJ4x4LIFE
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CODE: PO443

Evaporative Emission Control System Purge Control Valve Circuit

An open or shorted condition detected in the EVAP purge solenoid control circuit. Check the charcoal canister for fuel saturation If the vehicle has been overfueled, then there is a chance that liquid fuel can enter the canister and cause drive problems or emission related problems.
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CODE: P0441

Evaporative Emission Control System Incorrect Purge Flow

Insufficient or excessive vapor flow detected during evaporative emission system operation. If after performing all powertrain test for P0441 with results that appear to be normal/test pass, check for fuel in the purge canister. If there is fuel in the purge valve, insure that the vehicle owner is not overfilling the fuel tank.

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Give the canister on 443 a shot first, then move to the 441...The instructions are right out of the manual and wjjeeps.com. Gives us some feedback, once revised instructions above are done.
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