1989 Ford F-150 Truck Hesitates

Tiny
MOEGYPSUM1
  • MEMBER
  • 1989 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 86,000 MILES
Truck hesitates upon accelerating getting on a freeway or just getting on the gas. Normal around town driving is ok. Just hesitates upon hard acceleration.
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Saturday, August 2nd, 2008 AT 2:20 PM

1 Reply

Tiny
MERLIN2021
  • EXPERT
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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Saturday, August 2nd, 2008 AT 6:33 PM

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