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2006 Dodge Ram 1500 Question: rpms running high on highway

 

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nuttinbutissues, 5.7L V8 HEMI, Whitetail, MT, August 08, 2014, 20:15
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for starters my engine light is on,but if I drive on the highway for 15 or more minutes my rpms will randomly jump to 2100 rpms and hold for a second or two then go back down and will repeat every couple minutes until I get back down to city speed limit.

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