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Thread: Fuel level measurement

  1. #1
    Join Date
    Jun 2014
    Posts
    21

    Default Fuel level measurement

    Can anyone tell me how the EFI system measures the amount of fuel in the tank? On the gauge screen of the handheld, there is an indicator for fuel level. The last time I drove the car, the fuel level was changing values erratically, and Iím trying to determine the cause. Thanks.

    Also, I have a return-less system.

  2. #2
    Join Date
    Jun 2014
    Posts
    21

    Default

    Oops. It looks like the handheld gauge is actually displaying fuel PRESSURE (not level). My mistake.

    It may be time to replace my fuel filter.

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