Sputtering/Surging
I was wondering what I can check to solve this problem? The car will sputter, or surge when at a constant rpm, under 2500k rpms, which includes idle. It is actually kind of random when it does it. I can't tell under any other conditions that the car will surge like this. It hasn't done this until the temps up here started to dip into the 40's and 50's. I am not really sure what to look at to determine what is causing this? I do get a check engine light sometimes, on and off, which Im pretty sure is due to one of my o2's. The car also surges if there is no check engine light on....
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1989 Mustang
5.0 Conversion, Full Saleen ground effects and spoiler, '94 saleen decal set, '93 Saleen Seats, Black interior from a '93, Steeda quadrant, smog pump delete, a/c delete, Steeda Tri-Ax shifter, '97 rear differential, aluminum driveshaft, 5 lug conversion, '97 rear disc brakes, southside upper and lower control arms, '99 GT Anniversary wheels, flowtech longtubes, flowtech offroad H-pipe, saleen lowering springs, kyb shocks, caster/camber plates
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