6.7L  Cummins Forum

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  #1 (permalink)  
Old 12-08-2017, 01:22 PM
Junior Member

Join Date: Oct 2011
Posts: 5
Default Preformance Problem Cummins 6.7 Engine

I have a 07 Dodge Ram with a 6.7 Cummins Engine with 140,000 miles on it.
The truck has always run great, no performance problems at all. I am now experiencing a problem when I start the truck. It skips, will not take the gas on acceleration, and no power at all. I park the truck and turn off the ignition switch for 30 seconds and restart it and it runs fine again. This problem happens about once a month. Can anyone tell me if this is a serious problem and what the cause of it is.This just started happening about two months ago. Thanks for any help.

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Old 12-13-2017, 08:46 PM
Senior Member

Join Date: Oct 2012
Location: saskatchewan
Posts: 280


how long do you let it warm up. Do you use the engine brake to make it warm up faster. when there is no power and you push the peddle down all the way does it smoke bad ...aka roll coal...
]2008 laramie 6.7 s&b cai , smarty junior , dpf delete 463000km and counting . 24mpg sold December 2017

2012 laramie 6.7 125000km H&S xrt pro set economy , afe hd momentum CAI 19-22mpg:
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