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Four Linked with fuel cell, now check engine???

Discussion in 'Long Travel Suspension' started by Dirtdevil, Feb 25, 2012.

  1. Dirtdevil

    Dirtdevil [OP] Member

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    Fully Caged, Four Linked rear, Engage Long Travel front Arms Modified Spindle, King Shocks All Around, 2nd Gen front conversion kit. Stitchcraft racing seats with crow 5 point harnesses.
    I took out stock gas tank and components and put in a fuel cell.
    Check engine code is saying something about not having the evap or charcoal can. Anyone know how to bypass this to turn off check engine?
     
  2. ItsHerTruck

    ItsHerTruck The Primeministah

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    I can't help exactly But, you need to put resistors for the sensors wires to give the ecu the right reading.... I don't Know the components resistance so im not sure of what size resistor. Maybe a service manual would have the info .... Or if you have a multi meter you can read the ohms of the stock components then replicate with the right size resistors...


    Uhhhh I hope that helps..LOL Good luck...If not.. Electrical tape over the light..LOL
     
  3. 04LTtacoma

    04LTtacoma Well-Known Member

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  4. tostidos

    tostidos Well-Known Member

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    x2!
     
  5. 04LTtacoma

    04LTtacoma Well-Known Member

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  6. Rmesa1

    Rmesa1 Well-Known Member

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    reinstall the canister and purge valve plug off all lines that go from the canister to the tank. The ecu will run the monitor and test the canister only. As long as no leaks are present in the canister it should pass and not turn on the check engine light .
     
  7. BAMFTACO

    BAMFTACO Pabst Blue Ribbon on ice

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    I wana see this set up to
     
  8. 04LTtacoma

    04LTtacoma Well-Known Member

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    ^ I know I want to see this guys truck!
     
  9. ocherp

    ocherp Well-Known Member

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    [/QUOTE] Electrical tape over the light..LOL[/QUOTE]

    Same thing I was going to say, lol I just left my check engine light on and ignored it. When I get around to re-doing the cab, the engine check light will eventually get taken care of :D
     
  10. Dirtdevil

    Dirtdevil [OP] Member

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    All right thanks for the input guys. I just need it off to pass smog. And i uplaoded some pics for you guys, hope you like em.
     
  11. BAMFTACO

    BAMFTACO Pabst Blue Ribbon on ice

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    Sweet truck man
     
  12. blackhawke88

    blackhawke88 wo ai ni bao bei ^_^

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    I have the same issue, either reinstall the charcoal system or stick a piece of tape over the CEL.

    Mine is just on
     
  13. Dirtdevil

    Dirtdevil [OP] Member

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  14. blackhawke88

    blackhawke88 wo ai ni bao bei ^_^

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  15. ocherp

    ocherp Well-Known Member

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    Don't quote me on it, but I'm pretty sure you won't be able to pass smog with a fuel cell, someone with more info will hopefully shed more light on the issue.
     
  16. mjp2

    mjp2 The Lost Mod of Akalabeth Thor

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    Depends on the state. Here in NJ as long as the CEL is off, you're good.

    My charcoal canister is sitting in the garage so I can reinstall when it's time to get the Tacoma back on the road.
     
  17. Dirtdevil

    Dirtdevil [OP] Member

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    Ya im in Cali, ill have to pay someone a little extra to pass me on the visual but from my understanding they cant pass it with a check engine light on. It shows up in the computer. I might just have to reinstall the charcoal can for the test and then take it back off. I was just hoping there was an easier way to bypass it. Maybe with a resistor like ItsHerTruck said.
     
  18. Rmesa1

    Rmesa1 Well-Known Member

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    On a the evap system in our trucks resistors won't work the computer needs to see the pressure changes in. the canister and tank to pass the monitor
     
  19. battlescars

    battlescars Professionull

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    Try plugging in the connector to the sensor of the canister and just doing a loop back with the hoses.

    Or

    Just do what I do and ratchet strap the stock tank on with all the crap and get it to pass.
     
  20. Dirtdevil

    Dirtdevil [OP] Member

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    04 Pre-Runner V6
    Fully Caged, Four Linked rear, Engage Long Travel front Arms Modified Spindle, King Shocks All Around, 2nd Gen front conversion kit. Stitchcraft racing seats with crow 5 point harnesses.
    Tried the hose loop that didn't work. Don't want to strap the whole thing back in. There's got to be a way to trick the sensor. How has no one figured this out yet? I think it just needs to sense pressure some how.
     
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