charcoal canister bypass.

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  • ThisGuy310
    E30 Addict
    • Jun 2010
    • 433

    #1

    charcoal canister bypass.

    Has anyone bypassed the charcoal canister by connecting the line from under the throttle body directly to the line that goes back to the tank?

    Any problem with doing this? Will it pressurize the tank?

    My canister is shot and I don't see the value in buying a new one.
    Last edited by ThisGuy310; 02-18-2012, 01:43 PM.
  • Kershaw
    R3V OG
    • Feb 2010
    • 11822

    #2
    why dont you remove your air filter too? probably a good idea to remove the fuel filter as well. that way both fuel and air can get into the engine easier.

    remember, less restriction means more horsepower. so try to remove all the superfluous bullshit in the engine bay.
    AWD > RWD

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    • jlevie
      R3V OG
      • Nov 2006
      • 13530

      #3
      Originally posted by ThisGuy310
      Has anyone bypassed the charcoal canister by connecting the line from under the throttle body directly to the line that goes back to the tank?

      Any problem with doing this? Will it pressurize the tank?

      My canister is shot and I don't see the value in buying a new one.
      Yes you can do that. But a better approach would be to replace the canister with a new part or a good used part (which would be cheaper).
      The car makes it possible, but the driver makes it happen.
      Jim Levie, Huntsville, AL

      Comment

      • ThisGuy310
        E30 Addict
        • Jun 2010
        • 433

        #4
        Originally posted by Kershaw
        why dont you remove your air filter too? probably a good idea to remove the fuel filter as well. that way both fuel and air can get into the engine easier.

        remember, less restriction means more horsepower. so try to remove all the superfluous bullshit in the engine bay.
        Yes that is exactly what I am trying to do. In addition to removing the air and fuel filter, I've also removed the FPR, and entire intake box and flow meter leaving the throttle body open directly to atmosphere for more power.


        Originally posted by jlevie
        Yes you can do that. But a better approach would be to replace the canister with a new part or a good used part (which would be cheaper).
        What benefit is the canister providing?

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        • jlevie
          R3V OG
          • Nov 2006
          • 13530

          #5
          The cannister traps fuel vapors from the tank, which are later pulled into the intake and burned. It is solely an emissions control feature.
          The car makes it possible, but the driver makes it happen.
          Jim Levie, Huntsville, AL

          Comment

          • ThisGuy310
            E30 Addict
            • Jun 2010
            • 433

            #6
            Originally posted by jlevie
            The cannister traps fuel vapors from the tank, which are later pulled into the intake and burned. It is solely an emissions control feature.
            Thanks, appreciate your input in both threads.

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