gas tank - check light

Discussion in 'Modifications And Maintenance' started by Skarecrow, Dec 10, 2007.

  1. Skarecrow
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    Skarecrow Well-Known Member

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    ok so i've tightened down that gas cap, even cleaned it off...
    and I still kick that check light after about 40 miles or so...

    thinking about just turning off the stupid code...
    unless I get a "thats a bad idea man"

    I really don't want to spend 100 bucks off my deductable to get a new cap or sensor.
     
  2. hella_sti
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    hella_sti Well-Known Member

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    I ran a few bottles of chevron tectron injector cleaner thru 3 tanks (one bottle a tank) and my cel has gone away for 3 months now. Give it a try.
     
  3. wall of tvs
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    wall of tvs Well-Known Member

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    Check the connections around the charcoal canister. It's possible that something got fubared or disconnected from your little snow mayhem last week.

    If it's anything like the other imprezas, it will be by the rear swaybar on the pass. side.
     
  4. hella_sti
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    hella_sti Well-Known Member

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    check the little hose that conncets to the blue nipple (no nipple jokes) under the hood to the left of the alternator
     
  5. speedyham
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    speedyham Well-Known Member

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    If the problem is corrected that initially triggered a CEL, it usually takes 4 start and run cycles for the light to go off. Drive it around for a day or two and see if it goes away.
     
  6. Andrew
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    Andrew New Member

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    My CEL 546 EVAP was the connection to the solenoid in the charcoal canister. The solenoid wasn't getting a signal, something to do with faulty wiring. Check the plug that goes to the solenoid (black box between bumber and sway bar passenger side). Also, take off the back seat and check the wiring harness plug. I think the solenoid is the yellow/green stripe and the brown/yellow stripe. I've got a crude wiring diagram here. http://mnsubaru.com/forums/showthread.php?t=20714&highlight=diagnoser
     
  7. Skarecrow
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    Skarecrow Well-Known Member

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    i'll check all solutions that I can, other then that... subaru will fix it...
    cuz a simple romp in the snow shouldn't be kickin codes.
     
  8. wall of tvs
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    wall of tvs Well-Known Member

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    a simple romp in the snow can easily screw something up in the charcoal canister
     
  9. Skarecrow
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    Skarecrow Well-Known Member

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    whats is this canister you speak....
    and what is it's pourpous so I can figure out why it sucks so bad ...
     
  10. Shibbs
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    Shibbs The Daywalker

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    Filters air going to and from the gas tank to allow for expansion and use of fuel. Charcoal is there to prevent the raw fuel smell.
     
  11. curly2k3
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    curly2k3 Well-Known Member

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    canister would be my guess too
     
  12. Skarecrow
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    Skarecrow Well-Known Member

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    this is seemingly a common problem as i'm reading..
    has anyone made a mod for this? or a better part or something?
    and would it be dangerous to just turn off the code?