Thread: 98 GP GT 3800 with P0171 off and on?

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  1. #1 Re: 98 GP GT 3800 with P0171 off and on? 
    SE Level Member Fritcr's Avatar
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    They checked the fuel filter and said it was fine. (I changed it last year)
    After they messed with it when I picked it up...now my fuel pump is really loud and I can hear it hissing. I never noticed it before.
    Anyway, if I need to change the pump...has anyone used the aftermarket pumps off ebay or are they just junk? O Riley's wants $253 and I can get one off ebay for $68. I wouldn't probalby consider the cheaper one but I might be getting my mom's BMW soon so I don't know how much longer I will have the GP. Unless...of course my daughter wants the GP but has no job...lol
    I don't know what to do...i'm trying to run most of the gas out of it now so I can change the pump if you all think that is what is wrong. The light came on again today and it sometimes spits a bit at idle or taking off. It is a sick little GP :-(
    I like it but a chance to get moms 540I is to good to pass up.
    Rob
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  2. #2 Re: 98 GP GT 3800 with P0171 off and on? 
    Turbo is the way to go. BillBoost37's Avatar
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    Yes a weak pump can cause the issue. The pcm tells the injectors to perform at a certain rate based on flow and supply of fuel. If fuel isn't there, the injectors aren't pushing as much as they should.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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