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jayb
Dodge Dakota
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3/28/2007
10:58:30
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 Subject: 10mpg
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Message:
1993 v8 cc auto 4x4.
It seems like im getting about 10 mpg around town and what not. this truck should be getting around 14mpg in town not 10. any reasons? seems to be getting good power maybe it should be getting more.
New 02
New plugs (champion truck plugs gapped at .035)
New coil
New wires
recent oil change.
newer tps.
K&N air filter oftenly cleaned.
If anyone knows whats the deal, that would be nice as im gonna be getting out of the navy soon and driving 3000 miles to get home. thanks.
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daddio
Dodge Dakota
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3/28/2007
11:33:58
| RE: 10mpg
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have your checked tire inflation and alignment? those can both play a big part in mileage.
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jayb
Dodge Dakota
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3/28/2007
11:37:01
| RE: 10mpg
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yes. good to go. also there is no codes. keep in mind with this that im a pretty good mechanic. my thoughts are the EGR valve but im looking for other opinions.
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daddio
Dodge Dakota
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3/28/2007
12:43:41
| RE: 10mpg
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could be the EGR or the EGR passages plugged up. also, have you checked the plugs? are they a light tan or black?
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EGR
Dodge Dakota
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3/28/2007
13:12:15
|  RE: 10mpg
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its a 93 if its never been changed get a new one
and clean the passages in the intake
your lucky too, autozone for right around $40
another yr up and your looking at double that much!
recently replaced mine and i have to tell you
the truck runs better
accelerates better and MPGs are up!
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jayb
Dodge Dakota
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3/28/2007
13:38:46
| RE: 10mpg
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im gonna go ahead and replace the EGR then as well as clean the passages out.
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here
Dodge Dakota
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3/28/2007
20:10:27
|  RE: 10mpg
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Message:
are some good pages for you to read over
http://autorepair.about.com/od/generalinfo/l/bldef165.htm
and one more
http://wiki.answers.com/Q/What_are_the_symptoms_of_a_stuck_EGR_valve
i know when my EGR valve went bad it took awhile
and i mean a few months of trouble before the light came on
(pinged bad under load even with colder plugs & real poor MPG's even with new O2 sensor and complete tune up)
any way best of luck
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sneilan
Dodge Dakota
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3/29/2007
09:18:05
| RE: 10mpg
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welcome to the world of Dodge.
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TexasTodd
Dodge Dakota
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4/03/2007
07:37:41
| RE: 10mpg
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I don't have one of the old LA engines,
but have you checked your plenum gasket?
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jayb
Dodge Dakota
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4/03/2007
11:13:54
| RE: 10mpg
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what does the old LA have to do with my magnum?
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Kowalski
GenIII
4/03/2007
12:25:25
|  RE: 10mpg
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Message:
I was wondering the same thing, as the LA doesn't use a plenum gasket. Did the EGR valve solve your milage problem ? I hope you don't mind if I jump in with an EGR question while its being discussed here. I've got some EGR related codes on a brand x '95 300 six. When I pulled the EGR, it will open with suction on the vacuum fitting. Passages appear clear, so I'm thinking the problem is the small electronic control that's supposed to vary how much exhaust gas is recirculated. Can I assume the valve is okay if it opens with suction ? Or is it likely to be out of spec ? Seems to run fine. Codes are EGR opening not detected, and a related circuit is above max voltage. Thanks for any help.
Lead, follow, or get out of the way
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egr guy
Dodge Dakota
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4/04/2007
11:39:03
|  RE: 10mpg
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Kowalski if your getting the code for the EGR
try cleaning it again and clean the passages in the intake
reset the pcm
if you get the code again
just replace it
in all honesty i have noticed a huge differance in my truck and sorry i never did it sooner
i did alot of reading on the egr valves
and for the most part they start do die off after 50,000 miles (will see a drop in MPG's and performance) not to mention crummy idle and some time even stalling
that only gets worst from there on
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gen1dak
Dodge Dakota
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4/04/2007
23:40:04
| RE: 10mpg
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Did you reset the computer after installling the O2 sensor? If not, it'll still run like the old one is in there.
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jayb
Dodge Dakota
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4/05/2007
10:12:29
| RE: 10mpg
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is reseting the computer after installing the egr a good thing?
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yes
Dodge Dakota
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4/05/2007
10:26:55
| RE: 10mpg
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jay i would
especially if you have the EGR with the electric sensor
even if not i would think still a good idea to reset it (pcm) otherwise it will still store codes/faults
and resetting the PCM is real easy
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