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Mileage

Tiny
JOE GRATE
  • MEMBER
  • 1993 FORD TRUCK
  • 5.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 134,000 MILES
50to60 miles per hr gets 19 to 20 mpgrunning 65mph gets 11 to 12 mpg. Have replaced several sensors and timing chain and gears. Can there be a problem with the ignition advace system
Sunday, December 27th, 2015 AT 1:03 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Why are you throwing money away. That sounds normal to me.
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Sunday, December 27th, 2015 AT 1:52 PM
Tiny
JOE GRATE
  • MEMBER
  • 2 POSTS
Up till about 3 months ago the truck always averaged 19 mpg didn't matter if it was driven 50 mph or 75 mph on freeway. At 60 mph the engine runs at 1700 rpm. At 70 mph the engine runs at 2000 rpm. The sensors that were replaced were replaced do to failure. The TPS. Fuel regulator, fuel pump and basic tune up. Where it had a 19 mpg average before 11 to 12 mpg doesn't sound normal
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Sunday, December 27th, 2015 AT 4:36 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Most all cars have an optimum speed for the best fuel mileage and the mileage decreases as the speed increases. Check the obvious things like tire pressure and engine temp. See if it is storing any engine codes.
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Sunday, December 27th, 2015 AT 4:47 PM

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