Thread: P0171 Code LTFT Maxed @ Idle

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  1. #101 Re: P0171 Code LTFT Maxed @ Idle 
    GTX Level Member dbextreme's Avatar
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    oh hell.... is up with this crap???
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  2. #102 Re: P0171 Code LTFT Maxed @ Idle 
    GTP Level Member Twizted 1's Avatar
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    .....................?...


    I'm passed the point of bein pissed about it. I'm just gonna drive it till something gives. Lol
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  3. #103 Re: P0171 Code LTFT Maxed @ Idle 
    GTX Level Member dbextreme's Avatar
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    I'd be pissed to.. I mean after all the trouble, months of bs, fixed for a week then POW... Sorry man!!! I wish I could help more. hopefully we will all figure it out. I'll still have that BBQ with beer. lol
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  4. #104 Re: P0171 Code LTFT Maxed @ Idle 
    GTP Level Member Twizted 1's Avatar
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    When? I'm down.
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  5. #105 Re: P0171 Code LTFT Maxed @ Idle 
    GTX Level Member dbextreme's Avatar
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    VERY soon!!! might roast hot dogs over the burning car.. LMAO
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  6. #106 Re: P0171 Code LTFT Maxed @ Idle 
    GTP Level Member Twizted 1's Avatar
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    Lmao!
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  7. #107 Re: P0171 Code LTFT Maxed @ Idle 
    GT Level Member 01GrandPrixTURBOGT's Avatar
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    Yea this po171 sucks ass and the high random miss too. I swapped coils but same thing happens but now I've blew my dif out nice chunk missing from the case.
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  8. #108 Re: P0171 Code LTFT Maxed @ Idle 
    GTP Level Member Twizted 1's Avatar
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    Oh crap. Sorry to hear that.
    I've got a local jy that I get my stuff from, you want me to see if they have a HD diff?
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  9. #109 Re: P0171 Code LTFT Maxed @ Idle 
    GT Level Member 01GrandPrixTURBOGT's Avatar
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    Yea that'd be cool!! How hard are they to swap?
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  10. #110 Re: P0171 Code LTFT Maxed @ Idle 
    GTP Level Member Twizted 1's Avatar
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    There not hard to swap at all.
    Do you have any mods done to the trans?
    Last edited by Twizted 1; 09-18-2013 at 07:21 AM.
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  11. #111 Re: P0171 Code LTFT Maxed @ Idle 
    GT Level Member 01GrandPrixTURBOGT's Avatar
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    Yea I had a shift kit.
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  12. #112 Re: P0171 Code LTFT Maxed @ Idle 
    GTP Level Member Twizted 1's Avatar
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    "Had"?

    The pull a part here local wants $60 for the front diff assembly.
    If you want one I'll get it for you.
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  13. #113 Re: P0171 Code LTFT Maxed @ Idle 
    GTX Level Member dbextreme's Avatar
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    That's not that bad of a price... Do they have a core trans? How much for one of those?
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  14. #114 Re: P0171 Code LTFT Maxed @ Idle 
    GTX Level Member dbextreme's Avatar
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    OH and I installed a 255lph pump with casper hotwire kit. Overall it's a vast improvement in the upper RPM range, but didn't help my fuel trims at idle... LMAO go figure. Next to take the supercharger off and reseal everything.. Yippie...
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  15. #115 Re: P0171 Code LTFT Maxed @ Idle 
    GTP Level Member Twizted 1's Avatar
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    They normally get $120 for a trans.
    I got a Near new one for that!!!
    Only changed the 4th clutch hub and pump shaft and through her in. Clutches and seal were like new.
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  16. #116 Re: P0171 Code LTFT Maxed @ Idle 
    GTX Level Member dbextreme's Avatar
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    Serious?? oh lawd!!! I might come to you and get two of them.. LOL one for my car now and one to build at that price!!! Mine isn't bad yet, I give it a year or so if that. But shoot for that price you can't go wrong!!!

    Where is this place? Your town, Lawrenceburg?
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  17. #117 Re: P0171 Code LTFT Maxed @ Idle 
    GTP Level Member Twizted 1's Avatar
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    About an hour from me. Almost In NASHVILLE.
    I go up there a lot.
    The great thing about it, you can spend some time pulling the pans to find the one you want then just pull it and take it with you.
    Just lmk when man, we'll make a day of it.
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  18. #118 Re: P0171 Code LTFT Maxed @ Idle 
    GTP Level Member Twizted 1's Avatar
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    I'm going up there tommorrow morning if your up for it. I've got to get a front bumper cover, hood and fender for my 00.
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  19. #119 Re: P0171 Code LTFT Maxed @ Idle 
    GTX Level Member dbextreme's Avatar
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    I FOUND IT I FOUND IT I FOUND IT!!!! LOL

    Ok the whistling sound I was hearing around the front of the motor where I thought was coming from between the 3 & 5 injector was in fact coming from the oil filler neck. Apparently the whistling was crank case venting. I touched the filler neck on accident while moving my evap stuff and it went silent... PERFECT no supercharger gasket leak as I originally expected. NOW F'in what... With the hissing from the oil filler neck stopped, I hear a faint sound under my snout of the supercharger... ;-)

    I ran to grab the Throttle Body Cleaner and sprayed all in that area and I noticed a difference in sound.. WHOOHOO!!!! Just to confirm, I let my son hold and spray the spot while I watched the LTFT on my Aeroforce. Sure enough, before he sprayed I was pegged at 16.4. After he started to spray and after he stopped spraying the went to -8.4 then back to 16.4... Looks like I get to do some minor vacuum line fixin tomorrow!!!! Fingers crossed.
    1999 GPGT - L26, Ported Top Swap, XP Cam, 3.2 MPS, 42.5#, N*, LQ4, SD Headers, Double Roller, TEP Race Trans w/Stand alone Cooler, Precision Industries 3000RPM Stall, 75 Shot Nitrous Express Proton Kit w/Purge, 3" Dual Borla Pro XS, Corsa Dual 3.5 Tips, 5% Tint
    1995 Firebird Formula - Under the Knife
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  20. #120 Re: P0171 Code LTFT Maxed @ Idle 
    GrandPrix Junkie Booba5185's Avatar
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    Awesome, so are you just putting a new o-ring on the filler neck or something?
    Retros, LEDs, SD Hood GMPP, Votland, Addco
    06+ Impala brakes, L76 Springs, ERs, Self-Tuned, 3.5 Gen V L32, Ported TB, 240a CS144, SSAC, Upgraded Transmission, Android Head Unit, Remote stuff, GXP Seats

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