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Thread: Fuel Pressure Regulator failure symptoms

  1. #1
    Join Date
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    Default Fuel Pressure Regulator failure symptoms

    Hi Guys … I need to know how you know when this regulator fails. What are the symptoms?

  2. #2
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    Quote Originally Posted by grave77
    Hi Guys … I need to know how you know when this regulator fails. What are the symptoms?
    http://bmwe32.student.utwente.nl/sea...Regulators.htm
    "..Torchinski v. Peterson that it is legal to carry a concealed weapon, so long the weapon is totally slick like a huge ass machine gun that you carry under a trench coat, like in the Matrix."


  3. #3
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    baton rouge, loserana
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    the 3 general ways one can fail, locks up and sends full pump pressure to the injectors, blows up and sends all of the fuel back to the tank through the return line, diaphram ruptures and blows fuel through the vacuum line into the intake manifold.
    all america wants is cold beer warm cat and a place to take a poop with a door on it

  4. #4
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    So ... If I tried to make a simple test .. by sucking the air from the regulator by installing an external pipe.
    now if I blew in the pipe that should load more pressure on the injectors and then this will choke the engine… I’m just supposing this.

    Do think so ??

  5. #5
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    that regulator does not really work that way, but you can pinch off the return line and over feed the injectors and affect the way it's running

    Quote Originally Posted by grave77
    So ... If I tried to make a simple test .. by sucking the air from the regulator by installing an external pipe.
    now if I blew in the pipe that should load more pressure on the injectors and then this will choke the engine… I’m just supposing this.

    Do think so ??
    all america wants is cold beer warm cat and a place to take a poop with a door on it

  6. #6

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    my car wouldn't start.........

  7. #7
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    Default I pinched it

    well today I pinched it and the engine just got smooth !! no rugh idle .. what do you think ? I have removed the air pipe sucked the air out of it and blew but nothing changed anything but pinching it made the engine smoother as I said.

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