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A.G
Dodge Dakota
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2/13/2004
00:17:57
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 Subject: 92 Dakota fuel mileage
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I have a 92 dodge dakota 3.9L I don't get very good fuel mileage does anyone have any suggestions, I think ive changed out everything fuel filter, o2sensor,plugs wires, oil change I tried everything except take it to a garage. Anyone have any ideas i can check before I have to go to a garage. Thanks
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Orange
Dodge Dakota
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2/13/2004
00:21:29
|  RE: 92 Dakota fuel mileage
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what is your mileage you should be around 13 to 15mpg.
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A.G
Dodge Dakota
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2/13/2004
00:26:38
| RE: 92 Dakota fuel mileage
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Really I was told I should be getting more than that so I guess Im doing okay on gas mileage then. Thanks Orange.
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Wadak
Dodge Dakota
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2/13/2004
05:39:40
| RE: 92 Dakota fuel mileage
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Try installing a MSD 6a, Msd Superconductor wires, 3923 autolite plugs gapped out to .045, install a K&N air filter, do the TPS mod, the crank sensor mod. All of these will add mileage and power. Use the search function and research each item listed above.
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chris
Dodge Dakota
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2/13/2004
21:10:41
| RE: 92 Dakota fuel mileage
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what? 13 -15 mpg? that is definitely not right at all you should at least be getting 16 or 17 miles a gallon. i mean i average 19 in stop and go driving. on very long trips i can get 23. something must be seriously wrong.
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J and J Auto
GenII
2/13/2004
23:32:49
| RE: 92 Dakota fuel mileage
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Message:
First check on the stock motor I am running in
my 95 4X4 I got 18mpg
It has all the bolt on mods ecept the 1.7's are
not back in yet
My stroker motor pulls 22 23 and has done 24mpg
You need to check your sensors sounds like you
are running a little on the rich side.
IAT, Engine temp will effect mileage a lot if
reading cold.
Autozone Free Scan
Larry
J&J Auto
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92Dakota
Dodge Dakota
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2/14/2004
00:28:43
| RE: 92 Dakota fuel mileage
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Yeah...mine gets 11-12.
You can faintly smell gas when it is running though out the exhaust.
What causes it to run rich?
I went to Auto Zone and they acted like retards. I told them I needed to get a sensor tested and they said all they have is a voltmeter?!?
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93Dak
Dodge Dakota
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2/14/2004
20:05:19
| RE: 92 Dakota fuel mileage
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Have you ever replaced the incoming air temp sensor? (Air charge temp sensor) It is located on the passenger side of the intake manifold. 92 and older had an exposed sensor where 93 and newer were sealed. This sensor gets a lot of build up between the exposed contacts and causes the readings to be off. I just replaced mine (I have a 93 but it was built in 92 and takes a 92 sensor) and it cured my rich exhaust, quieted the idle, and smoothed out the engine. It responds better too.
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Wadak
Dodge Dakota
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2/17/2004
00:27:34
| RE: 92 Dakota fuel mileage
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92Dakota, It still sounds to me like you may have gotten a bad replacement O2 sensor.
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A.G
Dodge Dakota
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2/17/2004
07:03:46
| RE: 92 Dakota fuel mileage
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kay I installed the IAT, that sensor was shot it looked cooked imazing, but now i was wondering about my plugs some have been saying to change to autolite 3923 ang gap to .045, I have autolite 3924 gapped to .035 is there a difference to these to plugs. Thanks to all for the help with the IAT sensor you guys and gals are great Ive been learnin alt looking at this board, keep up the good advise.
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V892DakotaMan
Dodge Dakota
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11/27/2004
20:57:59
| RE: 92 Dakota fuel mileage
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I have the 5.2L V8 motor in my 92 dodge dakota sport. I am currently running MSD 8.5mm wires with the new Blaster Replacement coil... Has power like no other. I had/have very poor fuel mileage, mayb3 14-15 on the highway, then again i do have the mopar 318 motor, which is why. But try a new ignition system; Coil & Wires. Pricey, but definitly worth it. :)
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93dak4x4
Dodge Dakota
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11/27/2004
21:50:51
| RE: 92 Dakota fuel mileage
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i havent changed my IAT, what was the difference you mentioned? i have yet to look to find that sensor. and how much did it cost you, i have changed pretty much everything i can think of. i can pull 17 on the hwy if i baby it.
93 4x4 ext cab
v8 tb
3923's
flowmaster muffler
(soon 180 deg thermostat and crank mod)
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Dan M
Dodge Dakota
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11/28/2004
08:17:21
| RE: 92 Dakota fuel mileage
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My 95 CC 4x4 3.8L auto 146k miles was getting 12-13 mpg, I changed the o2 sensor and did a tune up and got up to 14-15 mpg. I put 1 quart of transmission fluid in with the rest oil and drove for about 600 miles and my combined city/highway increasted to 18.2 on my first tank and all highway driving climbed to 21.2 mpg!! Big difference. And I've always changed the oil every 3,000 miles or so. You can find a couple of old posts about my problems as well as a new one about me getting better gas milage.
Some shops now offer a bilstein service, they flush the engine out. Oil does break down and cause gum/sludge/crap to build up. Also there are several other posts about different additives that accomplish the same thing.
- Dan M
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Bob Lincoln
Dodge Dakota
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11/28/2004
20:23:54
| RE: 92 Dakota fuel mileage
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EPA for my 92 Dak V-6 Club Cab 4x4 auto is 16 mpg city, 20 highway. That's exactly what I get with it. If you're getting less, either something is wrong or you're a leadfoot.
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Zach Peters
Dodge Dakota
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11/18/2011
10:08:14
| RE: 92 Dakota fuel mileage
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hi i have a 92, it WAS a 4x4 but i bought it from an old guy who said he didnt like the hassle with it so he pulled it out. anyway im getting around maybe 340 km to a tank, and i have no idea why its getting such TERRIBLE gas milage. i had a 350 bored 30 over that had better milage than this. can anyone give me advise before i take it to the crusher!!
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yeah
Dodge Dakota
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11/18/2011
10:22:19
| RE: 92 Dakota fuel mileage
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First thing to do is check for fault codes.
(no code reader needed)
Second step, Complete tune up.
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daddio
Dodge Dakota
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11/18/2011
13:32:14
| RE: 92 Dakota fuel mileage
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Message:
Dakotas are not known for there great gas mileage. But many facotrs determine the kind of fuel mileage you get. A couple of things that are really overlooked:
Tire size, proper inflation and alignment, driving habits, winter fuel blends. The list goes on and on.
As posted above, start with a good, complete tune up. Check for any codes.
I have an '00 QC 5spd, 3.9, 4x2 with 3.55 rear axle ratio and 235/75/15 tires. In toen i average around 18mpg. Highway average around 23mpg. I have got as high as 24.5 on the highway. Not bad for such a heavy truck with a small motor.
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