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lacks power
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  1. 94-98 7.3L Problem Forum
    Hello all, I have a 1996 f-250 7.3L, one day Was driving it pretty hard and had tacked it out I noticed a check engine light and it felt as though I had dropped a cylinder it was low on fuel so I filled it up and it seemed to drive better. Next day same thing it felt like i had a dead cylinder...
  2. 6.0L Problems Forum
    A few days ago I was pulling onto the road with a 2800 lb. trailer and my truck sputtered and blew black smoke, then some white smoke, lacked power, felt like it was gonna die out. I let off the gas eased into it and it slowly picked up. Did it twice more on the way (about 10 miles) and one time...
1-2 of 2 Results