Kyler Briggs

I have a 2012 eco with 65,000 miles and my fuel mileage is crap. It wasn't always like that. I'm getting 12 mpg highway.... even going 65. No idea why I use to get 16-19. What can I do? I talked to ford and they didn't seem to have a solution. I have a cold air intake and exhaust and toyo mts but my mileage was still better a few months ago. Please help!

doolyd

I had a similar experience just recently. 2013 FX4 eco 20" wheels, leveled. I was consistently getting 17-18 mpg highway over the last several years. Then all of sudden i started getting 15 mpg driving the same route every day. My tires were original and my truck had 48,000 miles on it.

I went and got new tires, did an alignment and replaced my air filter since I couldn't remember when I had last did it but know I have done it at least twice.

I have driven it the past two weeks and just logged 17.2 mpg and this week I am at 19-20 mpg but expect this to go down since I just filled up. I have never really seen 20 mpg so this is encouraging.

So, I don't really know what resolved the issue but I would of thought it was the tires since I let them go way too long. I am sure the alignment also helped. The air filter didn't seem overly dirty to me.

I would check these items on your truck.

thx10

2012 Ecoboost SCREW. 21xxx miles

Not the best mpg

Caedien

What app is that?

TJPlatinumEB

How long has it been since the spark plugs and boots were replaced?

Eastwood79

Do you have the 6.5 bed? If so, your carrier bearing may be going bad.

Kyler Briggs

I have the 5.5 bed

Kyler Briggs

i replaced the plugs like 2,000 miles ago. Not the boots tho

thx10

Gastracker+

It will also graph.

It seems to work pretty well can god your location for fuel if you want. I don't use that part.

DavidKR

winter blend fuel will always take a toll on fuel economy. make sure the air filter and MAF sensor are clean as well.