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cody
Dodge Dakota
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10/16/2009
00:39:17
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 Subject: RE: improving fuel economy
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I have a 99 dakota with a flomaster 40 series exaust and I
got 31in bfgoodwrench all terrains and I get about 10-
12mpg in the city cause that's all I drive my cat converter is
bad will that decrease mpg? Cause if so I will buy a new one
next pay check cause I'm sick of only gettin 200-240 miles
per tank with a 22 gallon tank!!
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daddio
Dodge Dakota
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10/16/2009
10:16:21
| RE: improving fuel economy
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Message:
Cody, one thing you can do to increase your mileage is get rid of those 31" tires.
Are your sure the catcon is bad? What configuration is your truck? 4x2, 4x4, RC, CC, etc....?
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cody
Dodge Dakota
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10/16/2009
12:18:18
| RE: improving fuel economy
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Message:
Ya ik but I need those tire for in the winter here when I'm
drivin through unplowed county roads!
Ya 100 postive its bad my dads buddy is a mechanic and my
check engine light turned on so I brought it to him and he
ran code or whatever and he said its cause my catcon is bad!
Sorry I have a sport 4x4 3.9 v6
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cody
Dodge Dakota
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10/16/2009
12:21:37
| RE: improving fuel economy
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Also its a club cab
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daddio
Dodge Dakota
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10/16/2009
12:36:22
| RE: improving fuel economy
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Message:
What code did it show? It could be the O2 sensor.
That is a fairly heavy truck. If you don't want to change tires maybe change gears. Especially if all you do is city driving. If your truck has the stock 3.55:1 gears you could probably go to 4.10:1 gears.
What shape is the ignition, tire alignment/ inflation in? This all comes into play for the quest of better MPG.
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cody
Dodge Dakota
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10/16/2009
13:14:31
| RE: improving fuel economy
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Message:
Idk what code showed he just said its the catcon which
makes sense cause it makes a rattling sound! And I do have
stock gears and ignition is good allinment is excelent and
tire pressure is set at 40 cause the tire place filled them so
the tires bead better to the rims! And its not like I got a lead
foot I have been takin it easy cause my tranny is slippin goin
into 3rd every once in a while
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daddio
Dodge Dakota
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10/16/2009
13:23:52
| RE: improving fuel economy
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Message:
The slipping tranny isn't helping your situation. Not to mention cooler temps and winter blend gasoline. My '00 QC 4x2 w/ 3.9/5spd/235/75/15's gets about 18 avg. city. We really don't have a winter down here in Cajunland either.
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cody
Dodge Dakota
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10/16/2009
13:42:29
| RE: improving fuel economy
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Message:
Ya up here in minnesota it gets pretty cold! And ya ik I need
to get my tranny fixed I brought it in they said it was slippin
but they couldn't pin point why they said there no physic
damage on the tranny they said its almost like it can't find
3rd sometimes they think its electical problem but I have to
bring it back to them in 2 weeks to see if they came up with
any solutions! What air filters are good for gas miliage cause
right now I just have a fram
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harry from ct
Dodge Dakota
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10/16/2009
21:46:08
| RE: improving fuel economy
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Message:
get a diesel
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J and J Auto
GenII
10/20/2009
01:11:30
| RE: improving fuel economy
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Message:
read some of the posts on performance
All these mods also help gas mileage
I have a 95 4x4 V6 and stock it got 17 to 19mpg
with all the mods I got 22 to 24mpg
I now went with a slightly hotter cam and this
summer 24.4 24.8 was my average when I filled the
tank
Larry
J&J Auto
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Dak9929
Dodge Dakota
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10/21/2009
10:50:26
|  RE: improving fuel economy
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Message:
My truck was having difficulty shifting in to high when it was cold in the morning. Changed the trans filter and oil this weekend, plus added a quart of Lucas stop slip/hard shift to it. Shifting like a top now.
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harry from ct
Dodge Dakota
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10/21/2009
20:23:08
| RE: improving fuel economy
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Message:
You just solved the problem temporarily ...bring it to the dealer..tell them to flush tranny,,, it has about 18 qts,,that includes the torque converter ....and please don't use additives...they destroy your tranny clutches.....use a synthetic tranny fluid like Amsol or another synthetic brand,,dont use stock oil if your going offroad..and like larry said do the former posted mods...I did them and the best I got on a trip to Pennsylvania was 25 mpg...the worst in town was 17...thats because my town is all hills so I have to use the tranny button to keep the converter and tranny from lock up
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LOL
Dodge Dakota
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10/21/2009
21:18:48
| RE: improving fuel economy
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Message:
18 quarts ????????????????????????????
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gotyourback
Dodge Dakota
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11/20/2009
16:06:15
| RE: improving fuel economy
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Message:
pry meant 8 quarts, a500's take around 8-9 quarts of oil with an empty torque converter, depending on what TC you have(performance/stock)
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