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2002 F250 with a problem, hoping you guys can help.

1K views 4 replies 4 participants last post by  R.S.LOGAN 
#1 ·
Hi everyone, I have a 2002 F250 with the 5.4 Triton engine. 184k miles, automatic transmission with 2wd. No check engine light is currently on. My truck shakes very badly between 35-60 MPH, and i'm trying to figure out why. It doesn't instantly shake when I reach 35, only when I let off the gas and get to lower rpm's does it begin shaking. If I turn off overdrive it usually doesn't shake any more, but that results in terrible gas mileage. What do you guys think could be causing this? I changed the plugs and coil packs a little over a month ago so I don't think its that. Any help is appreciated.
 
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