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CPeter
Dodge Dakota
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5/01/2006
13:33:15
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 Subject: Cruise Control & TCL
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Message:
When I use the cruise control on my 99 4x4, 3.8L with Auto, the Torque converter lockup cuts out and in while going on the level. There does not seem to be any throttle activity at the time. The lockup works fine when not using the cruise control. The cruise seems to work fine at holding the speed. Any ideas?? Both me and my neighbor who is a Dodge mechanic are stumped without spending a ton of money to find out.
Any help appreciated.
CPeter
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Lurkin
Dodge Dakota
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5/02/2006
09:37:44
| RE: Cruise Control & TCL
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Message:
I seem to recall hearing that this was a bad TPS sensor.
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truck guy
Dodge Dakota
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5/06/2006
14:58:40
| RE: Cruise Control & TCL
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Message:
I had almost the same thing happen to my 99 4x4. It would feel like the tranzs couldn't make up it's mind on weather it wanted to up shift or down shift. After half a day under the hood with an OHM meter I found a bad throttle postion sensor. 56.00$ to replace it and it's been fine ever since. The only thing wrong with replacing electrical parts is if you guess wrong and the part you buy doesn't solve the problem then you can't return the part for your money back or store credit. So make sure you troubleshoot the best you can,or you'll buy parts you don't have to.
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shatto
Dodge Dakota
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5/08/2006
02:15:32
| RE: Cruise Control & TCL
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Message:
My 98 3.9 auto did exactly that. Cute, mildly irritating surge.
New throttle position sender cured it.
Unless you have patience and a very sensitive meter you won't be able to detect the problem.
Be glad you asked. I had three dealers and two transmission shops tell me I needed a new transmission. I didn't follow their advice because the engineers at Amsoil looked at my oil analysis and told me there was nothing wearing out. That transmission now has 500,000 miles on it.
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