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

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Old 08-14-2009
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Icon5 Why the big difference in mpg?

Well i will have my F150 sold at the end of the month, FoMoCo and there slow *** paperwork processing. Anyways i am looking at a new job about 50 miles one way from where i live. Seeing as i don't need a fullsize anymore and really don't wanna buy a car, i am thinking about getting a ranger to commute with. i read every mpg thread in my search and the mpg ranges are incredible. anywhere from 12 to 20. i would be super pissed if i bought a 4.0 01-03 ranger supercab ang got 15mpg's on the highway, my lifted crew cab f150 get's better than that on a regular basis. i drive with the cruise at 60 whenever possible. can i expect to see 19 mpg advertised? the truck will be kept bone stock, i am thinking on just buying another fullsize, i knocked down 17 with my silverado, i understand gearing is a slight factor though, so any input?

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Old 08-14-2009
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19 isnt out of the question at all if you drive conserative. i can squeeze 20-21 out of mine as it sits with 33's and 4:56's.
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Old 08-14-2009
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ive got both, might as well stick to full size.
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Old 08-14-2009
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When I had my 2wd (4.0L, 3.55 gears), I was able to get as high as 24 mpg on a long highway trip. With my 4x4 (4.0L, 3.73 gears) I can get about 20 mpg if cruising on the highway. But as soon as you hit traffic or if there is a lot of stop/go along the way, expect the mileage to drop.
On average, with a mix of city/hwy I get about 17-18 mpg. If you've got a heavy foot, then expect it to be less than that.
So.. a full size with a small engine can probably match those numbers.


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Old 08-14-2009
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Originally Posted by 01_ranger_4x4 View Post
19 isnt out of the question at all if you drive conserative. i can squeeze 20-21 out of mine as it sits with 33's and 4:56's.
really..hmm

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Originally Posted by zabeard View Post
ive got both, might as well stick to full size.
See that's what i'm thinking for the 3 less mpgs, give or take, the comfort level and usefulness, i might as well stick to another fullsize.

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Originally Posted by brightredford View Post
When I had my 2wd (4.0L, 3.55 gears), I was able to get as high as 24 mpg on a long highway trip. With my 4x4 (4.0L, 3.73 gears) I can get about 20 mpg if cruising on the highway. But as soon as you hit traffic or if there is a lot of stop/go along the way, expect the mileage to drop.
On average, with a mix of city/hwy I get about 17-18 mpg. If you've got a heavy foot, then expect it to be less than that.
So.. a full size with a small engine can probably match those numbers.
IMO 17-18 is horrible for a ranger. my edge tuner in the f150 shows 16.1 right now and that's up 4" and running 35s on 20s
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Old 08-14-2009
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IMO 17-18 is horrible for a ranger. my edge tuner in the f150 shows 16.1 right now and that's up 4" and running 35s on 20s
I'm getting 15 in the city and 18 pure freeway, then again I have the lift and 33's. But it was even worse than that. I was getting 13 city/16 freeway before I did new spark plugs/fuel filter/cleaned TB, MAF, and IAC/coolant flush, all within a few months of each other. Then it went up to 15/18 (which I imagine would be 18/21 if I had stock tires and no lift.)
Doing my O2 sensors soon, hopefully I'll see another bump up in mpgs.
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Old 08-14-2009
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what is the TB you cleaned and the MAF and the IAC/coolant flush?
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Old 08-14-2009
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lol I get around 11- 15. I want to change the tune back to stock but I love that extra power so much. But the other thing you have to consider is you dont have to get a 4.0l you can get a 3.0l if you wanna not buy a bran new truck since ford abolished them.
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Old 08-14-2009
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i get 16mpg around town, and 20-21 on pure highway
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Old 08-14-2009
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what is the TB you cleaned and the MAF and the IAC/coolant flush?
throttle body, mass air flow sensor, and idle air control valve. I think cleaning the throttle body made the biggest difference
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Old 08-14-2009
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I sold my ranger for the F150. My ranger was stock 4.0 4x4, I could get between 16-18 on the highway and with the F150 on the highway ive gotten between 14-17mpg depends on the wind speed ect. Im much happier with the f150, ride quality is much better, actually haul 4 people comfortably and tow alot more....
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Old 08-14-2009
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i get 16mpg around town, and 20-21 on pure highway
that's the numbers i would like to get if i get a ranger.

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Originally Posted by bucky919 View Post
I sold my ranger for the F150. My ranger was stock 4.0 4x4, I could get between 16-18 on the highway and with the F150 on the highway ive gotten between 14-17mpg depends on the wind speed ect. Im much happier with the f150, ride quality is much better, actually haul 4 people comfortably and tow alot more....
I have a F150 supercrew in the yard, i get 17+ on a regular basis on the highway with 35's. i used to love my f150 too, know it's just a 500 dollar bill i don't hardly drive anymore. i won't be towing nor hauling anything more than my fat *** in it, so hmmm this thread is mixed too. i guess they are just like the f150's some get good gas and some suck

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l 3.0l if you wanna not buy a bran new truck since ford abolished them.
i will never buy a new truck ever again, biggest waste of $$ ever IMO. my 99 3.0 used to knock down 20 mpgs on the highway with 245's, but i was getting like 15 on the highway, but that wasn't corrected for the speedometer being off either.
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Old 08-14-2009
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lol if you really arent going to be towing anything just get a four banger they feel fast with 4.10s and a 5spd lol those get mid to upper 20s
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Old 08-14-2009
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Ya I bought my f150 used and my payment is just under $200. These guys that say they can get 20+ mpg with the 4.0 must be driving on some pretty flat ground and have a tailwind, cause I got 20mpg a couple times but not consistently in my ranger anyways.
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Old 08-14-2009
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I got 18mpg once or twice in the sport trac when it was stock, on the freeway. I bet you could knock down 20mpg highway with a manual 4.0L SOHC with street tires if everything was in good condition.
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Old 08-14-2009
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My Ranger is only now starting to hit low 18mpg averages out of a tank. I do alot of highway driving so im probably around 20mpg on the highway and 15 or so city.

When i bought it (new) its first tank average was 16.5! that was terrible but as its been breaking in, its been doing every so slowly better. Im around 5500 miles on it at the moment and i check mpgs at every fillup.
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Old 08-14-2009
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The 12-20 difference is because some people drive conservatively, some drive like their *** is on fire, and the varying setups people have. A 4.0 isn't going to get much better mileage than a F-150, generally 3-5. My mostly stock truck gets 17 city, 21 driving 60, and 19 driving 70. If you are worried about mileage, get a 4-banger.
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Old 08-14-2009
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lol if you really arent going to be towing anything just get a four banger they feel fast with 4.10s and a 5spd lol those get mid to upper 20s
i don't want a 4 banger, 4wd 4 bangers are horribly slow IMO

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Ya I bought my f150 used and my payment is just under $200. These guys that say they can get 20+ mpg with the 4.0 must be driving on some pretty flat ground and have a tailwind, cause I got 20mpg a couple times but not consistently in my ranger anyways.
200 a month, lol, i want a truck that will get me there and back everyday, you don't get much truck for that kinda payments these days.

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The 12-20 difference is because some people drive conservatively, some drive like their *** is on fire, and the varying setups people have. A 4.0 isn't going to get much better mileage than a F-150, generally 3-5. My mostly stock truck gets 17 city, 21 driving 60, and 19 driving 70. If you are worried about mileage, get a 4-banger.
mileage is a concern yes, but i don't want a truck that can't get out of it's own way either. 20+ is the number i'd like to see.

i think i am just gonna buy 2 trucks, a 4x4 and a 2wd
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Old 08-14-2009
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mileage is a concern yes, but i don't want a truck that can't get out of it's own way either. 20+ is the number i'd like to see.

i think i am just gonna buy 2 trucks, a 4x4 and a 2wd
Getting out of it's own way isn't a problem. My buddy's 2.3 will nearly keep up with my 4.0. I was pleasantly surprised when I drove it. With a little performance work, a 2.3 would outrun a stock 4.0, and get 25+ mpg doing it.

I understand not wanting a 4 cylinder, but don't knock it till you've tried it.
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Old 08-14-2009
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i don't want a 4 banger, 4wd 4 bangers are horribly slow IMO
They don't make a 4X4 4 banger. Only V6's. Just FYI

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200 a month, lol, i want a truck that will get me there and back everyday, you don't get much truck for that kinda payments these days.
His truck is a 2005 4X4 loaded.....I think that's quite the truck, but maybe that's not much to you....

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mileage is a concern yes, but i don't want a truck that can't get out of it's own way either. 20+ is the number i'd like to see.

i think i am just gonna buy 2 trucks, a 4x4 and a 2wd
I'd just stick with your full size. No sense in buying two trucks if you are just going to drive one and have the other one sit. Trust me, I know. Only sense I can see in it is a discount in insurance, which is why I still have my Ranger.
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Old 08-14-2009
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They don't make a 4X4 4 banger. Only V6's. Just FYI



His truck is a 2005 4X4 loaded.....I think that's quite the truck, but maybe that's not much to you....



I'd just stick with your full size. No sense in buying two trucks if you are just going to drive one and have the other one sit. Trust me, I know. Only sense I can see in it is a discount in insurance, which is why I still have my Ranger.
yea your right, they quit putting 4 poppers in 4x4 trucks. is his truck a 4.6 or 5.4? 4.6's are way unpowered IMO, 05's have issues with injectors/4x4, then all the 5.4's have the plug issue, 06-08 are the best years for that style, you couldn't give me the deal of the week on a 04/05 F150 . hmmm i am starting to think so on the fullsize idea, my buddy swears up and down and showed me his numbers and knocks down 22 mpgs with a 08 Z71 silvy extended cab with the fuel management system. i am staring to realize why compacts trucks are becoming a thing of the past, they cost way too much for what they are and the fuel mpg sucks
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Old 08-14-2009
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yea your right, they quit putting 4 poppers in 4x4 trucks. 05's have issues with injectors/4x4, then all the 5.4's have the plug issue, 06-08 are the best years for that style, you couldn't give me the deal of the week on a 04/05 F150 . hmmm i am starting to think so on the fullsize idea, my buddy swears up and down and showed me his numbers and knocks down 22 mpgs with a 08 Z71 silvy extended cab with the fuel management system. i am staring to realize why compacts trucks are becoming a thing of the past, they cost way too much for what they are and the fuel mpg sucks
The best I've seen in my Chevy is 21, and that was going 75 on the interstate. I do a lot of hauling and city driving, and I have been seeing just under 17 regularly. My Ranger got 18 with all highway driving, so I am pretty happy with my full size.
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Old 08-14-2009
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The best I've seen in my Chevy is 21, and that was going 75 on the interstate. I do a lot of hauling and city driving, and I have been seeing just under 17 regularly. My Ranger got 18 with all highway driving, so I am pretty happy with my full size.
my last truck, 2000 Z71 with 285's, 5.3, auto, 3.73's. i would see constant 17 with the cruise on. i might as well just scrap the ranger idea, no point in it.
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Old 08-14-2009
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yea your right, they quit putting 4 poppers in 4x4 trucks. is his truck a 4.6 or 5.4? 4.6's are way unpowered IMO, 05's have issues with injectors/4x4, then all the 5.4's have the plug issue, 06-08 are the best years for that style, you couldn't give me the deal of the week on a 04/05 F150 . hmmm i am starting to think so on the fullsize idea, my buddy swears up and down and showed me his numbers and knocks down 22 mpgs with a 08 Z71 silvy extended cab with the fuel management system. i am staring to realize why compacts trucks are becoming a thing of the past, they cost way too much for what they are and the fuel mpg sucks
His is the 5.4 They didn't fix the plug issue until the 08 models.
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Old 08-14-2009
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His is the 5.4 They didn't fix the plug issue until the 08 models.
so they claim, but i still wouldn't wait til 100k miles before i changed them
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