2001 Ford F-150 5.4L

Tiny
KASEY12359
  • MEMBER
  • 2001 FORD F-150
When starting after the truck has set for several hours it won't stay running. I have to hold the gas on as I put it into gear, after a few miles it will stay running.
Wednesday, September 13th, 2006 AT 12:34 PM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,702 POSTS
Sounds like you have a vaccum leak, check underthe hood for visable leaks, repair as needed to recheck system.
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Monday, September 14th, 2020 AT 12:02 PM
Tiny
NOS
  • MECHANIC
  • 320 POSTS
There is a vaccum line that runs from the PCV valve on passange side valve cover follow that lint up to the intake and look at the rubber end of it. If it is soft or has a hole in it replace it. Do you by chance have a check engine light on? If so with a vaccum leak the a scanner shoud read O2 sensor lean bank one. (NOS) 8)
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Monday, September 14th, 2020 AT 12:02 PM

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