1992 Ford F-150 HELP!

Tiny
TODD40
  • MEMBER
  • 1992 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 125,000 MILES
I have a '92 F-150 4wheel drive. I love my truck but I get the worst gas mileage ever. I have to have some compression problems b/c I cannot get full power with my EFI V-8. It is always downshifting to get the power and it sucks the gas right out. I was thinking it may be an exhaust leak at the manifold, but not sure. I changed plugs and that didn't seem to help. Went camping the other day and in Arkansas there are a lot of hills. My buddy thought my truck was a 6 cylinder b/c he didn't suspect that a V-8 would struggle so much. Any suggestions? Anything would be greatly appreciated.
Wednesday, June 18th, 2008 AT 9:55 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
You need to make sure engine running at all cylinder as a 1st step
check wires cap and rotor
bad wire will cause it to run very rough under load
check and replace fuel filter

I would start with a full tune up as a 1st step
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Thursday, June 19th, 2008 AT 5:47 AM

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