Anyone deal with the Charcoal Canister or Purge Solenoid?



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Thread: Anyone deal with the Charcoal Canister or Purge Solenoid?

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    Anyone deal with the Charcoal Canister or Purge Solenoid?

    My '01 is throwing a P0441 code (evap emission control system purge flow fault). I replaced the NLVD (natural vac leak detection assembly) and made sure that the gas cap was tight. I also scanned for damaged hoses underneath the van. Unless I missed something, that leaves the charcoal canister or the Purge Solenoid as the last components to inspect with this system. Anyone know where these are or how to inspect, or deal with this code?

    Here's a link that helped somewhat:

    http://www.obd-codes.com/forums/view...php?f=1&t=3716
    2005 Grand Caravan SXT 3.8L (100K miles and running strong)
    2001 Chrysler Voyager 3.3L Flex Fuel (220K miles and running strong)

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    How the system works

    NVLD
    I'm a retired ASE Master/L-1 Technician. I still keep current with the latest automotive technology. I now have over 400 repair articles, TSBs, and wiring diagrams on my blog: http://www.ricksfreeautorepairadvice.com//

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    BOB96:

    Do you hear the "whooosh" of pressure or vacuum when you remove the fuel cap??

    I just ended a long painful search for a cure to a P0442 on my Durango, and it was the fuel cap.

    $14 later to the stealer, and the tank goes whoosh when I remove the cap. No CE light!!!!!!!


    Don
    05 Linen Gold Pearl Dodge Grand Caravan SXT 3.8L (hers)

    04 Flame Red Hemi 5.7L Dodge Durango SLT
    (Mine)

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    Quote Originally Posted by n8ech View Post
    BOB96:

    Do you hear the "whooosh" of pressure or vacuum when you remove the fuel cap??

    I just ended a long painful search for a cure to a P0442 on my Durango, and it was the fuel cap.

    $14 later to the stealer, and the tank goes whoosh when I remove the cap. No CE light!!!!!!!


    Don
    While I have had cars that woosh when the cap is opened, neither of our DGC have ever done that even once since the day we rolled them off the showroom floor.
    Sold: 1998 DGC Sport 3.8 (Final odo: 178,000 miles)
    Sold: 1998 Chrysler T&C LXi 3.8 (Final odo: 190,000 miles)
    Sold: 2003 DGC ES 3.8 (Final odo: 172,000 miles)
    1998 Audi A4 Quattro (5-Speed manual)
    2001 Honda Accord EX V6 (4-Speed automatic)
    2009 Mazda3 i Touring (5-Speed manual)
    2012 VW GTI (6-Speed manual)

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    Is there a way to check the gas cap? It doesn't seem like much could go wrong with it.
    2005 Grand Caravan SXT 3.8L (100K miles and running strong)
    2001 Chrysler Voyager 3.3L Flex Fuel (220K miles and running strong)

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    Since I resolved my more pressing no heat issue on the '01 and replaced the oil sensor switch on the '05, I want to revisit this...

    It's not the gas cap, as I swapped the one on the '05 with the one on the '01 and had no change. Is there a way to use a multimeter to check the purge solenoid? Anyone know the location or have a picture? I'm trying to avoid my old methodology of just swapping parts (I've replaced the NLVD, starter, thermostat, and radiator cap from various failed diagnosis).
    Last edited by BlackOnBlackCobra96; 12-16-2008 at 11:02 AM.
    2005 Grand Caravan SXT 3.8L (100K miles and running strong)
    2001 Chrysler Voyager 3.3L Flex Fuel (220K miles and running strong)

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    Quote Originally Posted by BlackOnBlackCobra96 View Post
    Since I resolved my more pressing no heat issue on the '01 and replaced the oil sensor switch on the '05, I want to revisit this...

    It's not the gas cap, as I swapped the one on the '05 with the one on the '01 and had no change. Is there a way to use a multimeter to check the purge solenoid? Anyone know the location or have a picture? I'm trying to avoid my old methodology of just swapping parts (I've replaced the NLVD, starter, thermostat, and radiator cap from various failed diagnosis).
    I replaced one on a friends 03 T&C but for the life of me I couldn't remember where it was. I believe it was under the hood on the left side(passenger side)...close to the radiator.Try following vacuum lines according to the vacuum line diagram and see if you can find it.
    2001 Infiniti i30 3.0 DOHC V6: VQ30DE 177,000 miles; 1999 Nissan Altima GLE KA24 168,000 Miles
    1997 Dodge Ram 1500 SLT Laramie 5.9 46RE, 182,000 Miles
    Prev. 97 T&C LXi 184k 3.8, 94 T&C 3.8 156k Miles, 93 GV LE 3.3 123k

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    The purge solenoid is normally closed unless actuated.
    Remove it and see if you can suck or blow through it, if you can replace it.
    If any of the hoses to the fuel tank or charcoal canister are pinched or blocked it can also cause this fault.
    2003 GRAND CARAVAN SPORT
    1997 RAM 1500 SPORT 4x4
    2003 ALERO

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    Quote Originally Posted by rabbler View Post
    The purge solenoid is normally closed unless actuated.
    Remove it and see if you can suck or blow through it, if you can replace it.
    If any of the hoses to the fuel tank or charcoal canister are pinched or blocked it can also cause this fault.

    Do you know where the part is?
    2005 Grand Caravan SXT 3.8L (100K miles and running strong)
    2001 Chrysler Voyager 3.3L Flex Fuel (220K miles and running strong)

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    Quote Originally Posted by BlackOnBlackCobra96 View Post
    Do you know where the part is?
    It should be listed on the vacuum line diagram sticker that is under your hood.
    2001 Infiniti i30 3.0 DOHC V6: VQ30DE 177,000 miles; 1999 Nissan Altima GLE KA24 168,000 Miles
    1997 Dodge Ram 1500 SLT Laramie 5.9 46RE, 182,000 Miles
    Prev. 97 T&C LXi 184k 3.8, 94 T&C 3.8 156k Miles, 93 GV LE 3.3 123k

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