1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

rough running

Old 07-07-2014
  #1  
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Angry rough running

2001 f150 5.4 triton. starts easily. acts like it has a miss. no codes with analyzer.
no check engine light. changed coil packs, wires, and plugs about 15,000mi ago. seems to smooth out at about 1500rpm+. jerks when trying to go into OD. one
opinion from non dealer mechanic was injector(s). happened suddenly while
under a pull up a mountain. thoughts? tx.
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Old 07-07-2014
  #2  
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Could be injectors, could be fuel pump, could be fuel filer, fuel regulator or a vacuum leak.
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