05-12-2008, 04:08 PM
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#775 (permalink)
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Forum user
Join Date: Apr 2004
Location: Crestview FL
Drives: 93 VR4, 97GT FWDTT
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Re: Lean Misfires at 2700-2800 rpm
Quote:
Originally Posted by green-lantern
I have recently but I could do it again. It seems to run good once I get into it but it seems like it might be a little leaner up top than it used to be. mainly I am dealing with this damn hesitation down low. I roll into the throttle and the wide band goes lean and it starts missing or sputtering (whatever) then it will start to kick in and seem to run strong.
this is what I have done so far. fuel filter, checked the fuel pump connections, and changed the spark plugs (they all looked pretty good).
edit: I am thinking about bypassing the SAFC to see how it runs.
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Is your car an SL with ECS? IF so disconnect the ECS controller.
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VR4-"FOR OFF ROAD USE ONLY"
97 FWDTT
Mods
SOHC to 3.1L TT swap, ATX to 5-SPEED GETRAG, TE04H DR-19T's,Wiseco Forged Pistons, Custom FMIC, RPS MAX Street clutch,Tial BOV, Walbro 255,Custom Magnaflow 3'' exhaust,ATR DP,Custom FMIC,ATR DP,Catless, 3SX crank pulley, Emanage/E01, Derale fan controller, PTE 550 inj, AEM UEGO wideband, Re-located Optima Red Top,Krank Vents, EGR Blockoffs, MMCD logger, Stillen pads, drilled rotors, EibachPro springs, 3SX intake, intake hard pipes, IPO SX AFPR, 99 lifters,99 rear garnish, Racing Hart MP3 wheels,Snow Stg 2D Meth injection/Safe inj, http://www.hesspower.com/racecar.html |
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