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  1. #1
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    Walbro 255 limits without relay in 08+

    For anyone wondering,
    Stock fuel pressure, walbro 255: 8.4amps on idle/first start

    3.8 BAR (~55psi) fuel pressure, walbro 255: 10.4amps on idle/first start ---> Code thrown

    Keep it under 10 amps and it won't throw a code.


    Relay needed if you want to run the walbro at higher pressures than stock.


    Ran the walbro 255 on stock pressure for many outings without issues/codes.


  2. #2
    Eric Ocman's Avatar
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    Re: Walbro 255 limits without relay in 08+

    Running mine over 60 no codes on my 08
    So 09 and up?
    46 at idle though. You can also throw in larger injectors.

  3. #3
    JT jpt7779's Avatar
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    I think it really depends on which ECU and injectors being used. Myself and several others with 2010 T-X's do not use relays or throw any codes........

    see pages 9-10 here for psi verses amp load here: http://www.greenhulk.net/forums/showthread.php?t=183968

  4. #4
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    interesting...

    Setup also has something to do with it, as JPT says.

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