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Thread: fuel pressure at wot?

  1. #1

    fuel pressure at wot?

    I had a low tank and while idleing heard my fp make a bit of a howling noise. It is OE with 238k miles. I put gas in and no more sound , but have noticed full throttle is a bit weak. I tested pressure at idle..it is around 35 line off. I need to test drive at wot and get a reading, what do yall think it should be?
    Thanks

    ps- its a 1994 regal 3.8

  2. #2
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    You dont test pressure at WOT

    FUEL PRESSURE:


    Ignition ON Engine OFF 40.5 to 47.0 psi

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  3. #3
    Quote Originally Posted by AL View Post
    You dont test pressure at WOT

    FUEL PRESSURE:


    Ignition ON Engine OFF 40.5 to 47.0 psi

    I wanted to to see if it sags under full demand...but, Im shy of the spec range you give , so ill go by that and r/r the pump. The tester i have does have a bleed line and when its opened the pressure drops alot, but there's nothing to compare it to.
    thanks for the spec.

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