5.4L engine getting about 10 mpg

Tiny
CWUBS22
  • 2006 FORD F-150
  • 72,000 MILES

Truck has 6" suspension lift, 20" rims, 35" tires, and full flowmaster dual exhaust. Only getting aroung 10mpg. No warning or engine lights on. Just replaced o2 sensor #2 in bank 2. No other codes in computer. I know lift and tires hurt mpg, but that much? Supposed stock rating at 18 mpg. HELP!

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Friday, May 18th, 2012 AT 4:09 AM

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Tiny
CADIEMAN
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This will cause a lower mpg for sure.

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Friday, May 18th, 2012 AT 6:57 AM

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