00 Civic ,bad Fuel Pump, Amp Waveform

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  • automasters.org
    Junior Member
    • Oct 2008
    • 3

    00 Civic ,bad Fuel Pump, Amp Waveform

    FOUND BAD FUEL PUMP LOW AMPS CUSTOMER DENIED PUMP REPLACEMENT.CAR DROVE FOR ANOTHER THREE MONTHS BEFORE IT WAS TOWED IN FOR PUMP FAILURE FLATLINED
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  • David Green
    Senior Member
    • Oct 2009
    • 382

    #2
    We recently had a problem with a fuel system on a Peugeot, my scanner proved the fuel system had a problem which then required investigations, but then Bosch came through the door the following day with a demo on one of their KTS diagnostic hand held units, forgot the model, they advised that the fuel pump/main relay was faulty.

    Our techs changed it today, I have the old one which I am going to load test it to see if it breaks down. I am cureous how the KTS can diagnose the relay as the actualy fault in the circuit, which it may do but i am just wondering how it would determine it.

    UK David

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    • eddiesverus
      Senior Member
      • Dec 2008
      • 414

      #3
      Originally posted by David Green
      We recently had a problem with a fuel system on a Peugeot, my scanner proved the fuel system had a problem which then required investigations, but then Bosch came through the door the following day with a demo on one of their KTS diagnostic hand held units, forgot the model, they advised that the fuel pump/main relay was faulty.

      Our techs changed it today, I have the old one which I am going to load test it to see if it breaks down. I am cureous how the KTS can diagnose the relay as the actualy fault in the circuit, which it may do but i am just wondering how it would determine it.

      UK David
      The Bosch KTS is a self contained Database for Euros similar to the SnapOn Troubleshooter. It has a database for the most common failures and it probably has a built in test to check the current draw or voltage drop in the circuit. Iv'e used the KTS before and found it has very good repair info but I don't specialize in Euros and I don't have it..it would be a good investment if you specialize in Euro vehicles though.
      Hard Work, commitment, Honesty and not giving up is what Makes us better Tech's

      Comment

      • hologram
        Junior Member
        • Mar 2010
        • 2

        #4
        peugot pump

        hi there as i am driven mad with these vehicles (uk auto electrician)
        the engine ecu has a built it fuel pump monitering circit and there for knows when there is a circit fault or developing problem.
        the ecu applies a very low current down the pump circit and if the values dont match the data base flags up a code (fuel pump relay circit)
        hope that helps
        martin

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