1999 Ford F150 engine

1999 FORD F-150
10,000 MILES • 6 CYL • 2WD • AUTOMATIC
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FABIAN67
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  • 2 POSTS
my truck sounds like it has a miss and it idles rough as soon as it is started
Aug 29, 2010 at 3:43 PM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
Has the check engine light come on? When was the last tune up? What size V8 do you have? And finally have you checked fuel pressure and for vacuum leaks?
Aug 30, 2010 at 8:09 PM
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FABIAN67
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Yes tune up was just done and no check engine light came on and fuel pump pressure is down by 10
Aug 30, 2010 at 8:21 PM
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JACOBANDNICKOLAS
  • CAR REPAIR CONTRIBUTOR
  • 110,190 POSTS
The fuel pressure could be causing the problem. Have you checked for vacuum leaks?
Aug 31, 2010 at 9:35 PM
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