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98 DT 115 high pressure pump

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  • 98 DT 115 high pressure pump

    high pressure pump keeps running. replaced fuel regulator vapor needle valve.what else controls it ?

  • #2
    The computer, or ECM sends the voltage to the high pressure pump when the key first turns on, it should run for a couple seconds to bring the pressure up, then stop. The Suzuki service manual tells what to check on your motor, and how to test the ECM voltage.
    Do you have the service manual?

    Good luck, post back.

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    • #3
      Have A manual. Not a GOOD one. Who sells a good one.

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      • #4
        Will the high pressure fuel pump shut off at 36 psi ?

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