What's your M.P.G. with the 4.6?
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#4
Re: What's your M.P.G. with the 4.6?
Originally posted by F150_RULE
What kind of gas mileage should I expect with a 04 4.6l automatic reg cab?
What kind of gas mileage should I expect with a 04 4.6l automatic reg cab?
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#8
The absolute best I've ever seen was 16.9 MPG on the road in my 2002. Remember, the 2004 weighs more so the motor will be working harder. The other thing you have to take into account is how you drive. I'm really light on the gas and easy on the brakes and still have never even come close to cracking 20 MPG. (I've gotta have coffee with somebody too.)
One last interesting note. The EPA mileage rating on the 2004 4.6 liter is identical to the 5.4 liter. Hmmm.
One last interesting note. The EPA mileage rating on the 2004 4.6 liter is identical to the 5.4 liter. Hmmm.
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#12
2003 Supercab XLT 4.6 Auto 3.55 gears
17 mpg on mostly highway miles with a relatively light foot up to 70-75 mph. I've seen 19 before.
Worse I've seen was 15 mpg. Pretty consistent numbers I've seen on my truck.
My hacked airbox (with stock filter) showed no gains, but installing a 3" flowmaster (3 " pipe, dual exits but no exit pipes) showed roughly a .3 to a .5 gain in mpg.
17 mpg on mostly highway miles with a relatively light foot up to 70-75 mph. I've seen 19 before.
Worse I've seen was 15 mpg. Pretty consistent numbers I've seen on my truck.
My hacked airbox (with stock filter) showed no gains, but installing a 3" flowmaster (3 " pipe, dual exits but no exit pipes) showed roughly a .3 to a .5 gain in mpg.
#13
1997 Screw 4.6 Auto 4x4 w/3.55 and Topper
Just ran my first tank of gas thru it and managed 14.8 MPG
That was mostly city with approx 50 miles pulling my camper. I'm also light on the Throttle, most of the time.
I changed the Eng Oil & Filter (synthetic), Fuel Filter (was restricted) and Air Filter (Fram AirHog) right after filling up today.
My acceleration improved drastically. Now I can't wait to see how it affected my mileage.
Just ran my first tank of gas thru it and managed 14.8 MPG
That was mostly city with approx 50 miles pulling my camper. I'm also light on the Throttle, most of the time.
I changed the Eng Oil & Filter (synthetic), Fuel Filter (was restricted) and Air Filter (Fram AirHog) right after filling up today.
My acceleration improved drastically. Now I can't wait to see how it affected my mileage.
#14
The best I have gotten with my 4.6 was around 23 mpg, and the worst I have gotten has abeen around 11 mpg. The best is stock with a bedcover, new tires, fresh oil, straight flat road for hundreds of miles. The worst is open pipes (no backpressue), old plugs, oil needs changed, tires in terrible shape and towing another supercab F-150 through the mud for about 15 miles, up a pretty steep mountainside. I doubt I'll ever see the good side of 20 mpg again, though, but in tip top shape, I'd say my 97 4.6 would get about 16 or 17 mpg, not bad for the size truck that it is.
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