i have a 2003 dodge 4 wheel drive , automatic, cummins, at 2100 rpm that is all the faster it will rev going down the road, free rev it goes right up , real slow on take off , up winds up there, no real mods , new injectors, kn filter, it just has no guts going down the road enpty , help thanks , does throw a 336 code , but maybe once a week , changed the crank sensor , no change, thanks
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You must have bought my old truck. I had a 2003 Cummins that had NO power. It struggled to tow anything, and got 6 mpg while towing. Took it to the dealer three times in a year with complaints of "no power". The dealer never could find out what was wrong with it, so I traded it in on a Duramax after a year. Good luck with your truck.
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Wiring did you check the wiring for the crank POS that wiring harness gets screwed up sometimes... that is my
Big booty Girl 2004.5 Dodge Ram 3500 CTD quad cab long bed big booty girl 4x4 Auto RED RED TRUCK CLUB VP Ol Blue 2007 Dodge Ram 2500 CTD quad cab short bed 4x4 Auto totally stock Blue
I had similiar issues with my 03 HO. I had it to the dealer and they couldn't fix it( injectors,lift pump,ecm,fca were replaced). I talked with a Cat diesel engineer who told me to remove and clean all my ground connections. Not just the battery grounds, all the grounds. I sanded or wire brushed them. I found a braided ground attached to the back of the head it was nasty. After the cleaning my truck ran great. Try it and hopefully it'll work for you too.