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Silly question - fuel line under pressure when battery is disconnected

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    Silly question - fuel line under pressure when battery is disconnected

    Stupid question alert! I had the intake manifold off to hook up heater core hoses, and was surprised to find that the fuel feed line had quite a bit of pressure built up, and would keep pushing fuel out until I clamped the line. Is this normal? I thought with the car off & battery disconnected there would be no pressure.

    Car is an 89 with OBD1 S52.

    TIA!
    M119 M42 M62 S52 S62

    #2
    Yes. There is a check valve in the pump to ensure there is pressure in the line so that starting is easy.

    Originally posted by whysimon
    WTF is hello Kitty (I'm 28 with no kids and I don't have cable)

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      #3
      10-4, thanks!
      M119 M42 M62 S52 S62

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