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Non start no fuel - 2002 Porsche Boxster

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Turn the key to the ON position without starting the engine. You should hear the fuel pump running for a few seconds. That is started by the circuit running from the oil pressure switch. When the pressure gets to operating range the engines computer will shut the oil pressures fuel pump circuit off and turn on the feul pump rtelay to run the pump till you shut the engine off

Posted on May 31, 2010

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  • davidsinc891 May 31, 2010

    the fuel pump is not working

  • frank thomas wilson
    frank thomas wilson May 31, 2010

    Either the oil pressure switch is bad or the fuel pump is
    You will need an VOLT meter to test the circuit to the oil pressure switch for continuity. If not showing a 12 volt reading replace the sending switch on the ebgine


  • frank thomas wilson
    frank thomas wilson Jun 01, 2010

    I would also replace the fuel pump relay too since it is old

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