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how to test fuel pressure

Discussion in '1st Gen. Tacomas (1995-2004)' started by fouillard13, Jun 5, 2014.

  1. Jun 5, 2014 at 9:24 PM
    #1
    fouillard13

    fouillard13 [OP] Well-Known Member

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    i am wanting to do a fuel pressure test on my 98 tacoma 3.4

    any advice on how to do this

    thanks

    i have googled it and can not find any useful info
     
  2. Jun 5, 2014 at 9:31 PM
    #2
    Texoma

    Texoma IG: Triple C Chop Shop

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    Go get a fuel pressure gauge from the parts store, or order one online. Not sure if there is a fitting to attach to on your truck, or if you have to disconnect fuel line. Look near the fuel rail, and you may see a schrader valve to connect to.
     
  3. Jun 5, 2014 at 10:06 PM
    #3
    fouillard13

    fouillard13 [OP] Well-Known Member

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    has anyone actually done it on a 3.4?

    can i just tap into the line with a gauge?
     
  4. Jun 5, 2014 at 10:12 PM
    #4
    Texoma

    Texoma IG: Triple C Chop Shop

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    http://youtu.be/tJF5Lli4xq8
     
  5. Jun 5, 2014 at 10:20 PM
    #5
    fouillard13

    fouillard13 [OP] Well-Known Member

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    i was told 1st gen tacomas don't have that valve
     
  6. Jun 6, 2014 at 6:40 AM
    #6
    gearcruncher

    gearcruncher Well-Known Member

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  7. Jun 6, 2014 at 8:51 AM
    #7
    tan4x4

    tan4x4 Well-Known Member

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    I have a '99 FSM, and there is no schrader valve, like on other vehicles. There is a banjo-bolt type connection near the fuel rail that you need to unbolt, and then re-assemble with the pressure tester (SST in the FSM).

    I don't know if you can get an aftermarket adapter for it.
     

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