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Engine Hesitates and surges

Tiny
RAMMSTEIN
  • MEMBER
  • 2 POSTS
Ive checked the fuel pressure and its fine, ive checked the egr sytems, but I stiil get the same respons from my truck. And its an EFI. Im thinking that it might be the fuel injectors or the distributer.
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Monday, January 7th, 2019 AT 6:05 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,896 POSTS
Have you checked to see if the catalytic converter is plugged?
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Monday, January 7th, 2019 AT 6:05 PM (Merged)
Tiny
SMOKER537
  • MEMBER
  • 2 POSTS
  • 1995 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 96,000 MILES
When I stop at red light or stop sign the engine pulse, or surges feels like the truck wants to move what could be the problem. Thanks, scott
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Monday, January 7th, 2019 AT 6:05 PM (Merged)
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
You may have a vacuum leak, get a can of spray gumout, spray the vac lines and maniflod area, when the idle changes, youve found the leak! You want the engine running and spray on the outside but do direct the stream onto the hoses, if it is a vacuum leak, the engine idle will change speed, then you have detected a leak, repair the vacuum leak and see how it runs!
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Monday, January 7th, 2019 AT 6:05 PM (Merged)
Tiny
RONNIE CASH
  • MEMBER
  • 2 POSTS
  • 1992 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 11,500 MILES
1992 f150 startes but will die but it will start right back and runs but it surges
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Monday, January 7th, 2019 AT 6:05 PM (Merged)
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Check for vacuum leaks, check coolant
Suspect clean and or replace IAC valve
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Monday, January 7th, 2019 AT 6:05 PM (Merged)

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