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1991 Ford F-250 really bad gas mileage

Tiny
ANTHONY.WILLIAMS
  • MEMBER
  • 1991 FORD F-250
  • 7.5L
  • V8
  • 4WD
  • AUTOMATIC
  • 125,000 MILES
I recently bought a 1991 ford f250 xlt lariat 4x4 with an aod transmission and figured I was going to get about 10mpg around town and 15mpg on the hiway. So this last time I filled up my tank by the way it has dual tanks I only got like 160 miles out of the front tank! Any suggestions on what I can do to see why I'm getting such poor gas mileage and how can I fix the problem.

Thanks
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Tuesday, July 8th, 2014 AT 8:12 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Well it is a 460 for one thing. But scan for codes and check fuel pressure with a gauge autoparts rent it. Then check vacuum on intake if 15" or below suspect clogged exhaust.
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Tuesday, July 8th, 2014 AT 8:16 AM

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