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2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 engine
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improve fuel mileage

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Old Sep 22, 2020 | 12:37 PM
  #1  
jmorrison's Avatar
jmorrison
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improve fuel mileage

any ideas on improving the fuel mileage on my 2008 5.4 Triton? It only has a little over 100,000 miles on it.
 
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Old Sep 22, 2020 | 05:42 PM
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redfishtd's Avatar
redfishtd
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I hope you have changed the plugs/boots ,looked at your fuel trims . Cleaned throttle body and maf . Maybe time to change o2 sensors as they control fuel ratio. The amount of load you carry maybe reduce. . Clean fuel injectors or replace with new. How easy are you on your driving . Big tires are not for mileage.
But its like when I owned a corvette - the man told me-if you need to check fuel mileage you shouldn't own one . Its not a compact car for mileage.
My truck is a work horse but its still a nice 5500 pound nice ride .
 
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Old Sep 22, 2020 | 11:53 PM
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3Prcntr
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if you are anywhere in the 13-15 average, or even 12, then welcome to owning a 2004-2008 F150.
 
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