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FREAKenPYRO
Dodge Dakota
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9/04/2003
22:24:40

Subject: RE: Dakota Speedometer Help!!!
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where do you get the codes from???is there some place on the site, or are you a chrysler employee?? plus, if you wanted to go with bigger tires, how could you fix the speedometer to read correctly.??
I knew I shouldve looked up the past posts, but this was easier on a sloww @ss connection.

2k 3.9 dak, excab class of 2004(hopefully)
somerset TX.



Trey
Dodge Dakota
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12/23/2003
15:02:43

RE: Dakota Speedometer Help!!!
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I have gone fom stock tires to 285/60 16 and my speedo does not read right. I have an 01 4door 2wd 4.7. HELP



gen1dak
Dodge Dakota
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12/24/2003
00:47:19

RE: Dakota Speedometer Help!!!
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One way to fix it without dealer reprograms...
http://www.atrol.com/cx_era.htm



canadian eh
Dodge Dakota
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12/29/2003
14:10:30

RE: Dakota Speedometer Help!!!
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this link has useful info for bigger/smaller tires than originals--will give you a good idea of how much speedo will be out if you change tire size--you have to be careful cause you could void warranty without the pinion factor setting being changed if you go with bigger tires---bigger tires less revolutions ='s less miles ='s more warranty coverage for mileage

1010tires.com



JDub99Dak
Dodge Dakota
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12/31/2003
02:10:09

RE: Dakota Speedometer Help!!!
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a couple things to get out there one guy said that bigger tires slow down a spedo he was right, which makes your problem sound really wierd if your running bigger than stock. I'm not going to speculate whether or not your gears have been changed. one thing to keep in mind is that ignition on and getting codes out can be done several ways depending on the make and model some have to be turned it on, but not started on and off 3 times. The other thing about that is that it only works on 98 and earlier Dodges. My friend is a mechanic and likes to used that, but it will not work on 99's and later. The "rear wheel speed sensor" is not likely to blame in this case. Mine went out, the usial signs for this are spedo not working at low speed ( below 20 or 30mph) brake light on, and ABS light on. If you have a little cash there is a device called a power programer that I know is availible for my 99, and maybe a 97. With this device you can reprogram the computer that controls your spedo to accomidate the tire size you are running.



JDub99Dak
Dodge Dakota
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12/31/2003
02:25:30

RE: Dakota Speedometer Help!!!
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Here is a link for that hypertech power programer. Its on my goody list, so when I win the lottery, or get out of the military and start making money, maybe I'll get it.

http://shop.store.yahoo.com/rodi/hyppowprogii.html



97DDK4x4
Dodge Dakota
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8/23/2005
14:33:25

RE: Dakota Speedometer Help!!!
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Guys (and gals),
I have to interupt and respond to an earlier topic discussed earlier in this thread (Because there was definately some confusion about this).

If you put larger diameter tires on your vehicle and do nothing to the speedsensor, you will be going faster than what is shown on your speedometer.

Here's the proof that less than tackful 2losers was unable to provide:

If you're going down the hwy at 60 MPH (according to your untouched speedsensor) with stock tires, then your speedsensor is seeing X number of rev/s on your diff or where-ever it is mounted. This does not change if you put bigger tires on.

So with stock tires or bigger tires, it is reading the same rev/s and outputs 60 MPH. The difference comes with your displacement due to the different diameter tires. With one rev/s with stock tires at 60MPH on the speedometer, you'll travel x distance. With one rev/s with bigger tires at 60 MPH on the speedometer, you'll travel x+y distance because of the larger circumference of the tire. So with your speedometer reading 60 MPH, your displacement per second (speed=distance/time) is farther resulting in a larger ACTUAL speed than what is reported on the speedometer.

If you are still not convinced, prove me wrong.



97DDK4x4
Dodge Dakota
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8/23/2005
14:43:39

RE: Dakota Speedometer Help!!!
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Oops just noticed the date of this thread. I'm such a newbie.



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