I have an 89 mustang 5.0 manual. Here recently it's been losing power. When I crank it, it idles fine, even if I rev it. Once I actually get moving it is sputtering. If I accele slowly it will move a little better. If I hold it wide open it backfires sometimes but will not go any faster. I changed fuel pump, filter , cleaned out mad and tps. Any help please
Welcome to the forum, if you don't know what dawson is talking about, use the search feature and do a little reading. There's a ton of info on this site to dig thru and it's all been covered before. Good luck
306 with all bolt ons, yada yada yada, letter cam, ported E7's, T5 swap, full exhaust, 3:55's, 2" drop, and the worst paint you'll ever see or feel.
Dyno'd 300/316, 2745lbs-track scale
Best ET………12.4@108, 1.66 60ft on 8" ET Drags.
Like daswon said. Sounds like your dizzy might be the issue. I had this problem before. Bad pip more likely. Word of advice, if you do buy a new dizzy make sure its new NOT a rebuilt/remand. They are garbage.
94 Cobra Virgin Ms Virgin
89 gt (coca) SOLD
86 5.0 vert (work in progress)
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