Repeating P0440/46 Codes (Update, A slight problem) - 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 10-02-2007, 11:59 AM   #11
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Cody'* is mounted just above the front valve cover.
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Old 10-02-2007, 01:05 PM   #12
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Quote:
Originally Posted by willwren
Cody'* is mounted just above the front valve cover.
That'* a valve? Chilton said it was a solenoid unless I misread it.
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Old 10-02-2007, 01:06 PM   #13
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It'* a solenoid valve. A valve opened and closed by an energized coil (solenoid).
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Old 10-02-2007, 01:08 PM   #14
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Oh I see.

Interesting (at least to me)

I bet that'* the troublemaker since all the lines and connections look great.
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Old 10-02-2007, 02:22 PM   #15
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Should I get a new solenoid valve? I want to check before I buy unnecessary things
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Old 10-02-2007, 03:43 PM   #16
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There may also be another part on top of the canister. My 97 has both a purge valve and an evap solenoid. Then diagnosing to find out what is wrong first is key. Otherwise you are shotgunning parts and rule one of shotgunning is ....the bad part is the last one you change.
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Old 10-02-2007, 03:58 PM   #17
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tradition dicates that I buy unnecessary things.

So I went ahead and ordered a solenoid valve for the price of 16 bucks
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Old 10-04-2007, 04:46 PM   #18
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an Update:

I got the solenoid valve on today and I started it up, no problem there. I backed up and let it idle for a few minutes (was gathering stuff) I turned it off and decided to check the gas cap to see if the pressure release problem was solved....

Opened it and came out about .5 to a gallon of gas spewing.. Good thing I moved out of the way fast enough.

I'm even more mystified.
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Old 10-06-2007, 08:47 AM   #19
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Hmm...that'* not right at all. Sounds like you need to pull your charcoal canister off and turn it upside into a old towel or something, and see if it is full of gas. I am assuming it is, by the way gas spewed out when you opened the cap. (certain cars have the vapor line attached to the fill neck, and could get gas in it if topped off). Something seems to be clogging/clogged, and may pose a hazard.
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Old 10-06-2007, 11:39 AM   #20
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It can blow up for all I care.

Does anyone know if the charcoal canister is salvageable? Or is it one of those items once something gets in there, it is permenantly ruined.
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