View Single Post
  #10  
Old 07-12-2012, 03:46 PM
hubcap28 hubcap28 is offline
Flounder
 
Join Date: Dec 2011
Location: Buras
Posts: 42
Cash: 722
Default

i had the same problem on my 04 lariat 5.4. Changed fuel filter and spark plugs. A lot more throttle response and a little better gas mileage. The truck does have 105,000. Was at 13mpg before change now avg 16mpg. I chopped old fuel filter open it was DIRTY
Reply With Quote