Just got a 100k tune up and still 14mpg?!?! - Ranger-Forums - The Ultimate Ford Ranger Resource


2.9L & 3.0L V6 Tech General discussion of 2.9L and 3.0L V6 Ford Ranger engines.

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Old 03-05-2007
2003stealthedge's Avatar
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Just got a 100k tune up and still 14mpg?!?!

I just had the major tune up done at the dealer which my dad wanted done there and costed him 899.99.

New plugs
New Wires
Intake Cleaning
Throttle Body Cleaning
Fuel Injector cleaning

i cant remember what else was included but i just filled up and afew days ago with half e85 and half shell 87 unleaded and got 235 miles on a tank WTF?!?!? I dont get it i thought you get really good gas mileage for a bit after a tune up am i missing something?
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Old 03-05-2007
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the E85 is the problem.....

and you paid to have that stuff done? it would have cost you about $150 maybe to do it yourself...
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Old 03-05-2007
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235 to a tank....sounds about right to me.
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Old 03-05-2007
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what? i am getting about 300 to a tank with my truck.......
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Old 03-05-2007
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i told my dad that and he didnt wanna listen to he dropped 900 bucks but when i first got my truck i was getting 18-19 mpg
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  #6  
Old 03-05-2007
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was that with a fuel mixture? also in the winter gas has a different refining to keep it from watering up....that causes a loss of fuel milage.....have you changed your driving habbits?
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  #7  
Old 03-05-2007
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I routinely get 315 -325. I have 108,000 miles on it, bought it new. Ran it the first 1000 miles with the oil that came with it and then switched to full synthetic. That is all I have ever run and right now I burn one quart every 6000 miles. Use only 87 Octane. 3.0 L
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Old 03-05-2007
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i use amsoil synthetic and change every 8k...With gas skyrocketing in chicago ive been driving like an old lady cuz i dont wanna have to fill up all the time.
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Old 03-05-2007
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i think its just the gas... because my millage has been **** too and im waiting till it gets warm out to decide if i want to replace some parts...

my check gage light came on yesterday with 260 on the clock.. which is awful to say the least...
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Old 03-05-2007
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it pisses me off cuz i drive round trip about 50 miles round trip to school and on some nights i have school downtown which is another 40 miles round trip. So im filling up every 4 days if im lucky
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Old 03-05-2007
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yea that does blow... ive been bumming rides when ever so i dont have to drive ha... stil took me a week then i had to fill up..
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Old 03-05-2007
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even service guy said that my mpg should go up i dont get it more reason to get a nissan titan which gets the same mpg and looks a helluva nicer
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Old 03-05-2007
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I have the 16galloon tank and I get 300 miles before I fill it up.
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Old 03-05-2007
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i have a 16 gallon tank and i have been getting around 280 miles. which is getting me about 18-19 mpg. I just got my new muffler installed and switching out my fuel filter out in a couple of days. So i will let you guys know what changes that has made. I also have a K&N cold air intake.
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  #15  
Old 03-05-2007
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yeah, it should be going up after a tune up

have you tried going through a few tanks to let things clean up and even out?

I've been getting anywhere from 10.5 (snow day) to 18.2 mpg (all highway) on my 3.0, auto, 2wd, reg cab, '91 ranger.
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  #16  
Old 03-05-2007
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Just filled up this evening and still getting 22 mpg.........14 years later
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  #17  
Old 03-06-2007
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Did they change the fuel filter? Might be something to look into...
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  #18  
Old 03-06-2007
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Stealth,

My mileage is the same. And i only have 35500 miles on my truck. It is the cold weather and the fuel.
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  #19  
Old 03-06-2007
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I am sorry but 14 MPG on E85 is a Gift! Take it and enjoy it. My mom got 11 MPG on her Taurus with E85. She sold that and bought her focus that gets 35 MPG on regular gas and is a lot more fun to drive. I bet you'd get 17-18 on regular gas. I guarantee a Nissan Titan on E85 won't get 10 MPG. Trust me Buy regular gas, the Price savings isn't enough to cover the difference in mileage.

~HJ
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  #20  
Old 03-09-2007
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filled up from the check gauge light today at 15.5 mpg
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  #21  
Old 03-11-2007
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E85 and cold weather do not go well together since E85 has lower BTU than regular gas and also cold E85 doesn't like to fire up, in south american countries that use nothing but E90 have a small tank under the hood for regular gas so when the engine temp is under 60 degrees so imagine your truck at sub-zero, you also have a 10% ethenol mix in your gas during winter months so the half tank of regular so just run with straight gas and see if that helps
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  #22  
Old 03-11-2007
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When were your O2's done last?

Checking mileage on E85 will always be disappointing. Runa tank or two of 87 octane and see how it does. If it's below 20, may be time for O2's.
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