Code P0440..... help! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-15-2003, 01:17 AM   #1
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Default Code P0440..... help!

Car through a code yesterday went to Autozone today and got it read. Code was P0440.
States it a malfunctioning evaporater emission part. The tech at Autozone said there is a canister that can be changed out next to the radiator some where. My question is were and how dose it look? Can I do this myself and what type of tools are needed to take it off? How much will the part cost to replace or car I just clean it out and keeep going? The car is a 1998 Bonneville SE. Thanks
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Old 04-15-2003, 09:08 AM   #2
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Default Re: Code P0440..... help!

Quote:
Originally Posted by Bigfunkytown
Car through a code yesterday went to Autozone today and got it read. Code was P0440.
States it a malfunctioning evaporater emission part. The tech at Autozone said there is a canister that can be changed out next to the radiator some where. My question is were and how dose it look? Can I do this myself and what type of tools are needed to take it off? How much will the part cost to replace or car I just clean it out and keeep going? The car is a 1998 Bonneville SE. Thanks
See my post here:
http://www.bonnevilleattitude.com/fo...hp?p=2948#2948
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Old 05-21-2004, 09:50 PM   #3
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Sorry it took so long to respond on this. Didn't really get to do anything about this till today. I purchased a ODB II scanner. Sure enougth; the code P0440 came up. Took the evap canister out along with the sensor that is attached to it. Had already disconnected the negative battery cable. I then went to the auto shop and asked them what was best to start with when checking these things out. His anserw: gas cap. He told me that this was a very common cause of a lot of different faulty codes. So I got a new gas cap and also some tubbing because some of the connections were suffering from dry rot. I put it all back together and went to check the code to try and clear it. The scanner after it re-booted came back and said the car passed. I thought the cade would have been stuck in PCM and need to be cleared. Guess not this time. I won't be able to have the car inspected till next week, but if between now and then the code comes back then we'll see what needs to be done next.
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Old 05-31-2004, 10:08 PM   #4
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Ok, code P0440 returned. What should I begin to replace next?
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