4.0 Sohc Mpg - Page 2 - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #26  
Old 01-07-2009
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My truck is stock 4x4. 19mpg in the summer on average, and 16 in the winter. I got 13mgp a few weeks ago, but that was because the roads had about a foot or more of snow on them, and i was stopped in traffic because cars couldn't move, and i was in 4x4 almost the whole tank, so I don't know how accurate it was with the front tires spinning a lot. But even on average tanks in freezing temperatures i still get 16-18.

Are you sure you're calculating your mpg properly?
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  #27  
Old 01-08-2009
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HI!... Wow, I can't believe some of the MPG you guys are getting. When my truck was bone stock I got about about 25MPG on the highway. Now since it's totally broken in and I have added a 16" electric fan, CAI, and ASP crank pulley, I get 28-30MPG on the highway.
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  #28  
Old 01-08-2009
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i get about 12-14 in city and 14-17 on highway in a 2wd. with 31 inch tires
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  #29  
Old 01-08-2009
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Icon6

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Originally Posted by Melt View Post
ypou have a new *** turck sdhits gonnatem a alot nbeete r since the 8990s0 bihtch
HI!... English please? LOL!.
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  #30  
Old 01-08-2009
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I drive my 2001 easy most of the time..

I get roughly 15.5MPG highway. Thats with a K&N intake, 4.10 gears, and 285/70/17 BFG a/t's. Something is wrong. Guess its time for a major tune up. Approaching 95k miles and AFAIK it still has original plugs, wires, fuel filter, and transmission fluid. Guess I need to change that stuff out ASAP and hope for a change
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  #31  
Old 01-08-2009
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When I got my 2003 (4.0 auto) I was getting 14ish mpg. Did all maintenance/tune up, and on pure highway, with my 3.55 gears and 30's, I get over 20mpg, once got 22.7mpg.

Normal city for me is around 15/16mpg, but I like to use that skiny pedal. I could baby it and get 17/18.

I attribute it all to my gears.
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  #32  
Old 01-08-2009
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the trans was flushed in august, i checked the plugs today gaps getting a bit big. but it runs well so i don't know.
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  #33  
Old 01-08-2009
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i might change out the plugs. and muffler? would that help?
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  #34  
Old 01-08-2009
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A muffler would help as much as the intake did which isn't much.
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  #35  
Old 01-08-2009
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fuel filter? clean you maf? 02 sensors?

personally i think its the deep cold and winter fuel.
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  #36  
Old 01-08-2009
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hopefully i can figure this out.
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  #37  
Old 01-08-2009
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Quote:
Originally Posted by zabeard View Post
fuel filter? clean you maf? 02 sensors?

personally i think its the deep cold and winter fuel.
fuel filter and lines were done in september. it might just be the gas and cold.
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  #38  
Old 01-08-2009
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I get about 18.5 in city and dont really know on hwy since i drive mostly in city, everything about my truck is mainly stock
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  #39  
Old 01-08-2009
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Quote:
Originally Posted by gety View Post
I get about 18.5 in city and dont really know on hwy since i drive mostly in city, everything about my truck is mainly stock
Must be nice 18.5 mpg wth!
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  #40  
Old 01-12-2009
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Don't think anyone has mentioned tire pressure. Also check for a dragging brake. If those are good then it's most likely the winter gas, cold temps, and your driving style. With that many miles your 02 sensors *might* be lazy and hurting mileage as well. (the two that are furthest forward)

Rich
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  #41  
Old 01-12-2009
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are you driving around with the park brake set? jeez, that is lousy mileage.

my 2006 FX4 5 speed auto hits anywhere from 16 to 22 depending on winter/summer, city/highway and what mood i'm in! the truck is stock.

try some fuel injector cleaner, and maybe change the fuel filter again. sounds like a complete tune up is in order anyways.
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  #42  
Old 01-13-2009
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i ordered plugs and wires so i'll be putting them in this week. see how that helps
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  #43  
Old 01-13-2009
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I average 20 with Freds 87 mpg tune.

it's a 4x4 auto with the 4.0 sohc and 4.10's, and i drive aggressively, so I have no complaints.

Last edited by limE; 01-13-2009 at 04:27 PM.
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  #44  
Old 01-13-2009
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Quote:
Originally Posted by Ford04Ranger4.0 View Post
I'm getting 13 or 14 in the city mines an auto, I guess im doing good since the Wrangler Silet Armors are suppose to decrease your mpg since there heavier.
Quote:
Originally Posted by Ford04Ranger4.0 View Post
I live up North in the cold too, all i do is let it kick down to where it idles reg. and take off and i stil get 13-14 with the silet armor tires witch is suppose to decrease your mpg
Ok I think we get it.....You have silet armor tires.
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  #45  
Old 01-13-2009
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in my 2.5L ranger i got about 17 mpg and in my new FJ 4.0 v6 i get 23 high way 19 city
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  #46  
Old 01-13-2009
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Quote:
Originally Posted by Offroad02 View Post
i ordered plugs and wires so i'll be putting them in this week. see how that helps
Try https://www.ranger-forums.com/forum2...hlight=seafoam

It cant hurt, and you might as well do it if your doing your plugs. Also have you checked your MAF? It could be fouled if you over oiled your K&N air filter. A big affect on your gas mileage is your driving style. When I drive my truck with 32's and 3.73's I get about 16-17 mpg. When my Dad drove it for a week, he said he got about 21-22. He's way more patient, and less aggressive, so he has a totally different driving style than me, (I am the exact opposite) hence why he gets better mileage.
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  #47  
Old 01-13-2009
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Quote:
Originally Posted by ColdNapalm View Post
in my 2.5L ranger i got about 17 mpg and in my new FJ 4.0 v6 i get 23 high way 19 city
something wrong with that 2.5! ouch! to the OP; aare you sure your odometer is accurate? even for a 4.0 12mpg is pretty bad... got a check engine light on or anything?
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  #48  
Old 01-13-2009
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that is pretty bad i have a 97 4wd explorer 4.0 Sohc and i got around 20 last summer and i have a heavy foot
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  #49  
Old 01-13-2009
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wow. what are you all doing to your trucks? My stock 4wd 4.0 with an AUTO averages between 20 and 21 with 25 being max when I commute all highway to school.
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