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Thread: Merc 2.5L 260

  1. #31
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    if thats your gauge hose right after tha filter?... might be fine and jus me but i don't trust accurate pressure reading from where tha hose is attached... tha little jumper line is always dead on....

  2. #32
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    Quote Originally Posted by tlwjkw View Post
    if thats your gauge hose right after tha filter?... might be fine and jus me but i don't trust accurate pressure reading from where tha hose is attached... tha little jumper line is always dead on....
    Can you post a pic?

  3. #33
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    Yes that's my gauge line.

  4. #34
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    just "t's" inta tha small, short hose thats right under tha reg. that goes inta tha fuel rail... i have no pictures..

    it may be jus fine where its at and jus one of my picky things cause it leaves me no doubt in my 'ole mind.!
    Last edited by tlwjkw; 07-28-2016 at 08:49 AM.

  5. #35
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    only 1 i could find.. might be able ta see where tha 'lectric sender is tied in.. it didn't stay long.....
    Attached Thumbnails Attached Thumbnails New Mota 008.jpg  

  6. #36
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    Quote Originally Posted by tlwjkw View Post
    only 1 i could find.. might be able ta see where tha 'lectric sender is tied in.. it didn't stay long.....
    Cool. Thank you!

  7. #37
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    If you can tap the hose at the top of the rail,that runs into the regulator,that reading will be what the injectors are seeing at any given time.

  8. #38
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    Quote Originally Posted by outasite View Post
    If you can tap the hose at the top of the rail,that runs into the regulator,that reading will be what the injectors are seeing at any given time.

    I will move it up there. Thank you for the help!

  9. #39
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    not enough length for a "T" (between reg and fuel rail) unless ya want some UGLY junked up mess!!!... gonna read tha same anyway..

  10. #40
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    My '95 260 had a small allen screw down in the vaccum port of the regulator which could be turned to add or take away the diaphram spring pressure, which in turn would raise or lower the fuel pressure. The Regulator I used to replace it was a Bosch from a Volkswagon and it has the same adjustment ability!
    Just throwing it out there!!!
    WillySteve Hendricks



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  11. #41
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    Quote Originally Posted by WillySteve View Post
    My '95 260 had a small allen screw down in the vaccum port of the regulator which could be turned to add or take away the diaphram spring pressure, which in turn would raise or lower the fuel pressure. The Regulator I used to replace it was a Bosch from a Volkswagon and it has the same adjustment ability!
    Just throwing it out there!!!

    Thanks for the info.

  12. #42
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    I charged the battery's, all new fuel lines and stainless hose clamps, it has 39psi with the key on and 35psi running. It now fires right up.

  13. #43
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    Click image for larger version. 

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  14. #44
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    Tlwjkw is correct about everything. Sounds like you have it figured out
    Erik Kiser

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