evap code p0440 problem still.... - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-16-2006, 06:33 PM   #11
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ok guys thanks for all the help here is some more pictures..



notice the elbow, has a crack in it, i cannot get one of these, the dealers say its a non serviceable part and 3 part stores dont have it......







I took my canister out today and some gas came out of it where the hoses connect, there are no cracks on the canister that i can see, nor do i smell any gas around the car, except for what came out of the canister.
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Old 06-17-2006, 06:17 AM   #12
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Umm... may be a stupid question, but i only see one pic that shows it. is your oil cap always off?
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Old 06-17-2006, 10:47 AM   #13
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no, i have to take it off to get the engine cover off
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Old 06-17-2006, 11:06 AM   #14
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mny, how much fuel was in the canister when you pulled it? Doesn't sound like it'* purging to me.

Can you check for resistance across the two pins of the evap solonoid?
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Old 06-17-2006, 02:19 PM   #15
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i can and i did, i measured at the two pins on the box on top of the cannister and it measures 25 ohms...it wasnt much gas that game out, maybe a half of a teaspoon.
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Old 06-19-2006, 11:05 AM   #16
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Quote:
Originally Posted by BillBoost37
another thing to consider is actually removing the canister to inspect it for cracks or possibly having fuel in it.
Mnymn3, there really should not be any fuel in the vapor cannister. That is usually a sign that your purge solenoid is not working correctly. At this point, it it were me, I would be looking to replace the solenoid and then, most likely the cannister if you're still getting a code. I would consider a used cannister (and possibly the solenoid to) from a parts yard near you or post in the wanted section here.

Secondly, that rubber vacuum elbow should be available. It'* a crock that they call that a non-serviceable part (dumb #@$&*$%). Anyway, take a longer piece of the rubber vaccum hose you bought, obviously of the correct diameter, and form a long radiused piece to replace the elbow. That small crack can cause minor vacumm leaking and that will contribute to a code.
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Old 06-19-2006, 11:23 AM   #17
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The rubber elbows can sometimes be found in the HELP section at your local parts store.

On the canister with some fuel in it. Do you fill only to the first click or do you continue after that first click?
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Old 06-19-2006, 02:45 PM   #18
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i rarely fill my tank to the top, so there is no clicking for me, lol. The solenoid is available from a dealer for less than 30 bucks(thats the one on top of the cannister. right?), and the cannister is $93-ouch! i tried 3 local parts stores for the elbow and nobody had anything. so i will have to use the idea that lash said.
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Old 06-19-2006, 02:51 PM   #19
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For that cannister, it might be worth checking with a local used parts place to see if you can get one for less.
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Old 06-19-2006, 05:04 PM   #20
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If you have trouble locating a canister by you..there are usually a couple in the yards up this way. Just holler.
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