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Weird RPM thing

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Old 11-18-2009, 08:41 PM
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Default Weird RPM thing

Here is something weird that has started with my 99 Dakota V6. While driving sometimes the RPM's will increase by 100 for no good reason. I noticed it if the truck goes over a little rise in the road. Also it will do it randomly going down the road with the cruise on. Not a real big deal but very annoying with the cruise on.
Has this happened to anyone else? Maybe a TPS?
 
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Old 11-18-2009, 08:50 PM
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That was going to be suggestion
 
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Old 11-18-2009, 09:15 PM
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Vacuum leak probably plenum gasket.
 



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