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DavesKota
Dodge Dakota
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3/25/2002
14:25:11
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 Subject: Better Gas Mileage?
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Anything I can do to increase the gas mileage in my 3.9 aside from buying a new car? Just put like 300+ miles on it highway driving averaged 19 MPG... ouch. Any ideas aside from dropping a 2.5 in it?
2002 RC 4X2 3.9 5-Speed 3.55
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drew
Dodge Dakota
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3/25/2002
14:26:55
|  RE: Better Gas Mileage?
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19MPG... Man i wish i got that.....
I was getting just under 6 last week till i got it fixed, 19MPG seems normal tho..
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sicminds
GenIII
3/25/2002
14:40:40
| RE: Better Gas Mileage?
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Jeezzz i just checked mine and it
was 14.5 mpg. Could it be due to stop
and go trafic for like 8 miles and 10 mph
beach driving from spring break? Thats
down from a 17mpg average if i get 19 mpg
jeez thats good. Highest i have seen is 18.6
and i have a soft topper but also have a heavy foot.
time to put the wood block behind the gas pedal again.
d@mn it
now you know thats..................
sic
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Bill
Dodge Dakota
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3/25/2002
15:16:27
| RE: Better Gas Mileage?
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Daveskota,
If I was getting 19 MPG I would be doing cartwheels naked down the street! I think you should be happy to get that much. Of course, I am talking about my 4x4 and you have a 4x2 so that may be some of the difference, but 19 is still pretty good. I put an ARE tonneau cover on my truck a few months back and it improved my mileage by maybe 1MPG. I did it more for looks and security of stuff in the bed.
Bill
http://members.aol.com/btaylor04/BTruck.html
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Jesse T.
Dodge Dakota
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3/25/2002
16:15:59
| RE: Better Gas Mileage?
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Drew, what did you do to fix the problem? Im getting like 9.5 to the gal now, it sucks I use to get 14.5.
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don
Dodge Dakota
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3/25/2002
16:44:39
|  RE: Better Gas Mileage?
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little disapointed imn my mileage too first tank was 13 second 15 third 15.5 some town and highway some short trips
2002 SXT 3.9L 3.92 no tonneau but one coming
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Andy VH
Dodge Dakota
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3/27/2002
09:08:57
| RE: Better Gas Mileage?
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I made a bunch of upgrades to my 99SLT3.9Auto 4x2 which improved the power output, and I can get an average of 19mpg when I do mostly highway driving.
I think anyone getting 19mpg out of a Dak is doing pretty good. I'm still hopeful to improve it some more yet with a tonneau cover and a V8 TB.
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Drew
Dodge Dakota
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3/27/2002
10:38:39
| RE: Better Gas Mileage?
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Jesse T.
I Got mine back to normal by what the dealer calls a "3 stage injector power purge" basically he cleaned up the injectors and scraped the carbon off of the part that lets the air into the motor, It was jammed at 1/2 so th motor kept jamming in more and more gas.
If you can get it hooked up to a computer, Theres a test that checks your cyl's at startup and normal Temp.. It is supposta be between -5 & +5, mine was +3 at start then went to +13 and up from there at operating temp.. Unfortunatly i dont know the real terms for the parts.
Hope that helps.
Drew.
98 CC, 3.9, Hawk Cap , K&N Drop-in
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Drew
Dodge Dakota
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3/28/2002
22:23:48
| RE: Better Gas Mileage?
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Ah, the thng that was jammed was in the TB and it's called the "IAS" or AIS..... Ah sorry i forget.. has something to do with air tho.
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Jesse T.
Dodge Dakota
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3/29/2002
02:00:23
| RE: Better Gas Mileage?
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Thanks man, well as soon as i got home this afternoon i took off my tb and cleaned it, it was pretty bad considering that i never cleaned it before, the next thing i need to do is clean the injectors, i have 56k on my kota now, Thanks
Jesse T.
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Drew
Dodge Dakota
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3/29/2002
20:44:15
| RE: Better Gas Mileage?
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i had about 56K on mine when it happened to me too....
Lemme know if it helped any..
'98CC 3.9,Hawk cap & K&N Drop-in
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n8 dawg
Dodge Dakota
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3/30/2002
10:54:32
|  RE: Better Gas Mileage?
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19mpg on highway ouch, i get that in town and all i put on my truck was a TBI spacer, cold air intake, under drive pulleys, and exhaust. I can tell i gained atleast 5-6 on the gallon on a couple hundred bucks. but in the long run it is worth it espically when gas is up to $1.50
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Dale
Dodge Dakota
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4/10/2002
16:42:54
| RE: Better Gas Mileage?
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I have a 3.9 in a full size Ram Van. Great power... great mileage... around 19-20 str8 freeway driving at 70-75 mph.
Only real performance tweak is a glass pack muffler.
Dale
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Dale
Dodge Dakota
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4/10/2002
16:45:46
| RE: Better Gas Mileage?
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P.S. I get around 16 mpg mixed city/freeway .. full size van.
Dale
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Jesse T.
Dodge Dakota
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4/10/2002
17:23:40
| RE: Better Gas Mileage?
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I found my problem, the fan clutch was staying stuck on and it was making my engin work extreemly hard and was killing my gas milage, now that i changed it and cleaned the TB I am getting 16mpg city driving.
Jesse T.
P.S. If your fan clutch is staying on be ware of a big drop in gas milage.
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xlr8260
Dodge Dakota
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4/11/2002
02:24:28
| RE: Better Gas Mileage?
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I just installed the flexalite black magic 150 electric fan in place of my clutch fan and bought a set of power pulleys; this was worth an additional 3.5 mpg, I'm now pulling a sweet 22 mpg with my 97 club cab, it's been my goal to break the 20 mpg limit since I bought the thing. Also, make sure you don't rely on your overhead mpg display if you have one, mine is off by exactly 3mpg (always shows three less than what I really get) just do it the old fashioned way, see how many gallons it takes to fill the tank, and divide that into miles traveled since your last fill up.
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Bill
Dodge Dakota
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4/11/2002
07:32:29
| RE: Better Gas Mileage?
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That's what I do xlr. I have a book in my truck that I write down the date, mileage on the truck, number of gallons, and total price paid to fill up. I also write down anything else I do to the truck like oil changes, maintenance, tires, etc. Works great.
Bill
Bill's Truck Page
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Mike
Dodge Dakota
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4/14/2002
23:39:02
| RE: Better Gas Mileage?
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where is a good place to purchase a set of pulleys?
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FIJIGabe
Dodge Dakota
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4/15/2002
12:49:41
| RE: Better Gas Mileage?
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i went to the local neighborhood dodge dealer a week ago and i was a little perplexed... i want to know who is selling the DC guys their crack! they advertise the V6 Dakota SXT as getting 18mpg city and 19mpg highway. the 19 highway isn't bad... that's about what i get. but the 18 city? that's where the crack comes out. i'd be jumping for joy if i got 18mpg WHEN MY TRUCK WAS STOCK!
Gabe
http://frontpage.tripod.com/fijigabe0/
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C Wilkins
Dodge Dakota
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11/18/2002
18:06:58
| RE: Better Gas Mileage?
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I just read n8Dawg's comments. Where do you get these TBI spacers, the cold air intake, under drive pulleys, and exhaust? 2002 3.9 V6
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Rich
Dodge Dakota
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3/10/2003
14:46:43
| RE: Better Gas Mileage?
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I just hit 60K and replaced my spark plugs and O2 sensors, spark plug wires. I also pulled my injectors and had them flushed. I replaced my stock air filter with a K&N filter and reduced the weight of my oil. With all that I'm pulling 23 highway 19 in city.
98 single cab Dakota 3.9
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Bryan D.
Dodge Dakota
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3/10/2003
15:18:31
| RE: Better Gas Mileage?
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I have a 2002 Dakota as well, i'm getting a little over 20 mpg. The first thing I recomend doing to any vehicle is a performance ignition. I have an MSD 6AL on my 3.9, that alone picked me up 2 mpg . Not to mention an ignition is going to make your motor last atleast 1/3 longer than stock. Alot of the bolt-ons you see advertised don't give you the power at the rear wheels they claim, but they do give you the gas mileage.(in most cases) It only makes sense, get the air in smoother, out faster, hotter spark means the fuel is burning hotter and more efficient; and cleaner. Ect........ All this equals power, and gas mileage. My truck has a custom exaust with no muffler(very loud, not recomened), K&N filter with custom ram air(homemade), ignition, and a computer. I get great gas mileage, and decent power.
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Chris
Dodge Dakota
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3/16/2003
23:44:26
| RE: Better Gas Mileage?
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I got a 94 and i average 17 to 19 miles to a gallon in city driving and highway. I went on a road trip and got almost 23 mpg. is there anything i can do to improve my city mileage besides not flooring it all the time?
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QC DAKOTA
Dodge Dakota
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3/17/2003
17:39:04
| RE: Better Gas Mileage?
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I have a 02 quad and the best i have got is 18.5 mpg made 2 trips to iowa from cal running 75/80 and around town 14. I know what has killed this truck is the precats.ITS a ULEV truck. I have flowmaster,headers,taylor wire,intense performance filter and tonneau cover And even tired amsoil oil for the hell of it and no mileage improvement I thought about after market ignition but had a jacobs ultra coil on my 93 and all it did was eat caps and rotors every 7000 miles and no real improvement. I thought about the MSD6 So any other suggestions
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Rich
Dodge Dakota
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3/24/2003
13:14:30
| RE: Better Gas Mileage?
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You can increase your tire height, taller tires mean less revolutions for distance traveled and that equals less gas burned. Tonneau covers help, I don't believe in ignition systems a voltage arc is not going to change the combustion enough to make all that extra gear worthwhile. One friend of mine got a special throttle body that allowed more air in, but he also had to reprogram his computer. He claimed a 4mpg increase.
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THEOLDMAN
Dodge Dakota
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3/24/2003
23:08:04
| RE: Better Gas Mileage?
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I have a 99 club cab 4WD Dakota, average around 15 miles per gallon depending on the load I am carrying. Running on 31X10.50X15's, 5 speed, 3.55 rearend, all heavy duty options on it. I have about 42000 miles on it. Running stock except for a K&N Filtercharger.
Al D.
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milleR/Time
Dodge Dakota
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3/25/2003
02:12:44
| RE: Better Gas Mileage?
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That's sad... my '97 RC is about to turn over 110K and it gets a solid 18mpg mixed driving... and when I hold back off the pedal and drive it on the highway I can break into 20mpg range.
All mine has is a bed cover a K&N gen1 Airbox and an exhaust (no cat) that's about to fall off (its being replaced soon). Just keep up on your maint, change your oil, watch your fluids and keep track of what your truck usually gets. If you see a drastic drop look it over, somethings wrong your truck wont just magically start performing worse.
my .02
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THEOLDMAN
Dodge Dakota
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3/25/2003
11:11:40
| RE: Better Gas Mileage?
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milleR/Time
Are you saying it's sad that I only get 15mpg, I'm ecstatic, my old 92 RAM only got 12 at best, and it was only 2 wheel drive. I never have less than 350# in the bed (permanent weights in space between wheelwells and tailgate not on floor of bed) of the truck and have a ladderrack on it. This Dakota doesn't play it works, and I drive it 50-60 MPH on dirt roads. Yesterday when I posted this I had just delivered approximately 1200# of tile and tile related product to a client.
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milleR/Time
Dodge Dakota
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3/25/2003
21:10:45
| RE: Better Gas Mileage?
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No OLDMAN im not saying that yours is sad... but some of the posts from other people about what they are getting. Or what they are now getting compared to what they did get and can't figure out something aint right there.
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Rich
Dodge Dakota
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4/04/2003
13:23:19
| RE: Better Gas Mileage?
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With gas prices the way they are and still going up. If you want really good gas mileage you should probably borrow the wifes car. Otherwise stick to mans vehicle like the Dakota and suck it up.
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Farmer
Dodge Dakota
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4/06/2003
21:41:42
| RE: Better Gas Mileage?
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Iwas driving to Iowa last week (about a 3 hour drive)and i got 28 mpg out of my dakota
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