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Fuel pressure loss normal?

This is a discussion on Fuel pressure loss normal? within the General Help forums, part of the LSx Technical Help Section category; I installed a set of FAST fuel rails with the gauge. While i know the fuel system is going to ...

  1. #1
    Member Dewman's Avatar
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    2000 Camaro z28

    Fuel pressure loss normal?

    I installed a set of FAST fuel rails with the gauge. While i know the fuel system is going to loose pressure overtime while the car sits there off i am just wondering what is normal. It took about 45 min for the car to loose 1-2 psi. Seems like that would be normal but i want to make sure it is so i know if i have to chase down a fuel leak. The car has not been started yet but i after priming the system i am getting ~62 psi and its holding steady.

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    None Shall Pass Knight's Avatar
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    Sounds about right to me.

  3. #3
    Member Dewman's Avatar
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    went to the garage to work on it today and even after a week of not touching it i still had 20psi so i figure everything is ok.

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