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2007 Accord V6 Fuel Pressure

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This topic contains 4 replies, has 3 voices, and was last updated by Chuck H. Chuck Hyppa 2 months ago.

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  • #961758
    Chuck H.
    Chuck Hyppa
    Participant

    The spec fuel pressure for this car is 55-63 psi. I tested it this weekend and the pressure was 56-58. Is it ok if the pressure is on the low range of the spec? Could this be a sign of a clogged fuel filter/strainer or perhaps the pump is wearing out? I tested the pressure because the car has been hard to start for a while. I’ve check a bunch of things with no obvious smoking gun, so fuel system/pressure is next on the list.

    When I turned the engine off, the fuel pressure dropped quickly. Does this mean a problem with the fuel pump check valve? I don’t have any fuel leaks that I could find, inside the engine compartment or outside the car. No smell of gas. I’m thinking I should just install a new fuel pump assembly based on how the car starts and the low pressure/pressure drop. Appreciate your thoughts on this.

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  • #961904
    Jeffrey Voight
    Jeffrey Voight
    Participant

    The fuel pressure should maintain pressure for a good long while after you turn off the key. There is low pressure when yo start the car because it has to build pressure from 0 quickly, which it can not do. If there are no external fuel leaks, the most likely solution is to replace the fuel pump. I always change the fuel filter when replacing a fuel pump.

    #961919
    Nightflyr *
    Richard Kirshy
    Participant

    Sounds like a failed checked valve.

    #961933
    Chuck H.
    Chuck Hyppa
    Participant

    Thanks, I’m going to replace the fuel pump assembly for sure.

    #961934
    Chuck H.
    Chuck Hyppa
    Participant

    Thanks Richard,

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