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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    yeah I don't know what is causing the loping...it straightens out pretty quickly but it feels like it is going to die. Never does that I know of but it is weird.
    I did clean the cables by cutting the boots off and cleaning everything really good. It made no difference. I did not see any corrosion going into the cables.
    I also took the TB off and cleaned it really good and put a new gasket on it. Cleaned the MAF and Idle air control.

    I have a weird question...what is the thing that is an electronic sensor on the top of the fuel pump? In the mist of all of the gas gauge problems I have had that fuel pump out like 400 times...well ok maybe it was like 4 or 5 but anyway I don't know what that thing is. What does it do?
    Rob
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  2. #2 Re: 98 GP GT 3800 with P0171 off and on? 
    SE Level Member Nonnocho's Avatar
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    Did you resolve your issue Fritcr? I just picked up this code about 3 weeks ago myself. Thoroughly cleaned out the throttle body and the MAF sensor with their appropriate cleaning sprays, and have been good for about two weeks but now I picked up the exact same symptoms you have along with the code again. Idle was kind of funny for a few weeks but since the temperatures started dropping here in New York around the same time, I chalked it up to the cold weather starts but its really freaking me out now. Car was doing so well since doing the LIM gasket this summer too...

    Signed,
    Your friendly neighborhood EMT
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