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Engine Stalls

Tiny
JOLIVENCIA27
  • MEMBER
  • 1999 FORD F-250
  • 130,000 MILES
Hi I got a 99 ford f250 5.4l v8 for the past few weeks it been actin like it wants to shut off but it doesn't and When your driving it stumble and start actin up like it got no power so I change all 8 coils pack and spark plug and fuel and air filter but still no help, what should I look at next?
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Saturday, January 28th, 2012 AT 12:57 AM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Have you checked fuel pump pressure? Have you checked for vacuum leaks? The 5.4 is known to have problems with a vacuum hose behind the throttle body. There is a 90 degree bend in the hose that goes bad.
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Saturday, January 28th, 2012 AT 1:02 AM
Tiny
JOLIVENCIA27
  • MEMBER
  • 2 POSTS
I have check all off what your said everything seem good and it still doin the same problem
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Saturday, January 28th, 2012 AT 2:03 PM

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