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    adrien's Avatar
    adrien Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Jun 19, 2008, 11:40 AM
    Belgium, after testing ecm
    OK, thanks greased-
    I have performed this things you mention
    The test map-ecm is 5 volt.
    I took out the fuel tank, looking for the closingvalve in the pump , its inbedded in the housing.
    I pressurized it with the compressor set at 30 psi ,and its closing correctly,no problem.
    Working on these matters, I messured the main pressure on the fuel line, perfectly.
    The pressure-regulating valve ,-same works great.
    But doing this , I was able to see that the fuel seems to leak away!. in the main rail-!
    And also when the main fuelhose is disconnected , pressure regulating valve disconnected and the bolt for servicing taken away,. euhhhh? Is this possible?. it looks like the main rail is discharging...
    Into one or more of the injectors, is this really possible? I reloaded it a few times with fuel,
    And its repeating itself

    The ignitionpart can wait for this moment
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Jun 19, 2008, 11:56 AM
    . Check the O-rings on the fuel injectors--they may have deteriorated.

    . If the pressure is too high, the fuel pressure regulator will allow it to flow back into the gas tank.
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