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Epyon
Dodge Dakota
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5/25/2007
00:51:57
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 Subject: Bad MPG o2 sensor
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Message:
Ive been getting bad MPG will my Dak for awhile and ive improved it alot but doesnt hurt to go alittle further and see if i can get more. I bought the truck used and it has 154,000KM or 70,000 Miles. Which o2 sensor is the one i should be replacing? front or back and is there a good type of sensor to get?
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Bob Lincoln
Dodge Dakota
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5/25/2007
08:09:21
| RE: Bad MPG o2 sensor
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Message:
What do you consider bad mpg? There may be no need to do anything. Please post your numbers and by what methods you have already improved them.
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daddio
Dodge Dakota
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5/25/2007
13:17:33
| RE: Bad MPG o2 sensor
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Message:
don't just go throwing parts at it unless you've got money to burn, which is still a waste. as Bob said, more info and we could be of more assisstance.
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Epyon
Dodge Dakota
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5/25/2007
17:08:38
| RE: Bad MPG o2 sensor
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When i got the truck i was getting about 9 MPG. The truck was really run down. It badly needed a tune up. Now im getting about 14-15 MPG
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Shoe
GenIII
5/25/2007
18:06:14
| RE: Bad MPG o2 sensor
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Message:
2wd or 4wd? Big tires? Kindof driving habits? Clean the throttle body... Clean the injectors... and if you need new 02 sensors go to SummitRacing.com and get a set of NGK sensors and you might as well replace both of them. Thanks.
'97 RC V6, 5spd, soon to be V8, 5spd!
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Epyon
Dodge Dakota
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5/25/2007
18:25:17
| RE: Bad MPG o2 sensor
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Message:
its a 4x4 5 speed ive done everything but the o2 sensors wonder if u guys think at 70,000Miles its time to change the o2 sensor
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GB2000
GenIII
5/25/2007
18:33:47
| RE: Bad MPG o2 sensor
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Message:
Wouldn't hurt...but realize it may not HELP either...
Is that city/highway or combined driving? 14-15 city/combined is bout average...a lil under, but all trucks run different. If highway, either your foot is too heavy or something needs fixed...possibly the O2 sensors, possibly something else.
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daddio
Dodge Dakota
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5/25/2007
19:35:55
| RE: Bad MPG o2 sensor
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Message:
how about tire inflation and alignment? those play a big part in mileage. i'm sure there is a procedure to check the o2 sensors before wasting money on new ones if you don't need them.
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GB2000
GenIII
5/26/2007
03:17:30
| RE: Bad MPG o2 sensor
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Message:
Yeah, there is...you use a multimeter and check the voltage. It should flip flop...from like .1 to .9 and stuff I think...if it doesn't flip flop, it's not working properly. Can't remember what wires to hook up to or anything though. Larry describes it all somewhere...actually in multiple places.
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Epyon
Dodge Dakota
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5/26/2007
10:01:20
| RE: Bad MPG o2 sensor
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Message:
Thanks GB2000 ill try that out tonight
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