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0440 and 0441 codes, help!

2188 Views 2 Replies 3 Participants Last post by  vtsaturn1
I have a 2003 durango with a 4.7 engine. We have been getting these codes fairly often and I have been reading them and erasing them. I have read different things to check like the purge solinoid and poss. cracked hoses to and from the canister. Does anyone have any other info on this problem?
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Welcome to the DurangoZ from NC! I had similar issues with a Dakota, ended up being the gas cap would not seal properly. Also if you are leaving the vehicle running when adding gas may cause some of these codes.
I had this problem for a long time too...replaced nearly everything to no avail. Finally fixed it with a new leak detection pump.
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