Several things to check on your cummins, I could go on and on. Check and replace your fuel filter i'm not sure if you are in a cold climate but you need to make sure your fuel is treated by the station or by you, could be gelled up causing you to loose power. If thats not it post again and we will try something else. Some other things to check are the items everyone forgets about with diesels, they need to breath check your air filter if it is dirty change it.
Friday, January 18th, 2008 AT 11:38 AM