3rd Gen Engine and Drivetrain -> 2007 and up 6.7 liter Engine and Drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

6.7's with No Problems

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Old Mar 13, 2009 | 03:25 PM
  #1  
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6.7's with No Problems

Who out there is having great luck with the 6.7?

I had one P2000 at about 2,500 miles. Nothing since then and I now have 20,000 miles.

I don't idle for long periods and most of my miles are highway - BUT - I've got no complaints with this bad boy~! I really like this truck, it does what I expected and more. My dealer has been great.

I'm a little worried about my truck making oil when it was new, but that has passed. A little worried about the crap the EGR is shooting into the oil. But, people are reporting putting lots of miles on this motor with no problems.

16.22 MPG hand calc'ed to date over 20,000 miles with about 50% of miles hauling a small flatbed trailer hauling rafts at +2,500 pounds - real ugly from an aerodynamics standpoint. It is a high load with a lot of things sticking out grabbing at the airflow. I will get 20+ mpg empty on the highway.

Truck is stock.

I figure the majority of us are experiencing good service from this truck.

RiverRunner
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Old Mar 13, 2009 | 03:44 PM
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My truck is stock, and other than a few minor check engine lights I have had the truck has been great.
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Old Mar 13, 2009 | 04:51 PM
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From: New Blaine, AR
No problems here. 24000 miles, with one CEL that cleared itself.
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Old Mar 13, 2009 | 05:34 PM
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From: Texas
Replaced driver seat and 1 turbo cleaning. CEL came on but went back off after hard driving. But put it in for turbo cleaing anyway. My buddy Garry is the diesel teck there and ended up cleaning the whole system out for me. Have not had any problems after that.
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Old Mar 13, 2009 | 07:58 PM
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From: A state of Missery (Missouri)
No problem got rid of the epa at 1200mi now at 6800 no problems.
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Old Mar 13, 2009 | 10:42 PM
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From: las cruces NM
No problems here on my 08 3500 with 68000.0 miles, only been in shop once for a new egr valve. Let the engine idle one day for 3 hours and that took out my egr. need to put in shop now for safety recall ( dash shield ) and a new ccv filter. Just run it like you stole it.
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Old Mar 13, 2009 | 10:46 PM
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From: Decatur, Texas
Mine was GREAT until the CEL light came on at 24-k now it has been a pure TURD and in the shop every couple of weeks for the same ol' crap. turbo clean, egr clean, trans shift like crap and shifting fast. Now at 31-k so far still a TURD!
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Old Mar 14, 2009 | 04:45 AM
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Listing the build dates of your trucks will help determine what problems are associated with what flash.

It will also give some insight into which flashes eliminate what problems.

mine is 12/15/08 no problems
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Old Mar 14, 2009 | 07:36 AM
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From: Katy TX.
One CEL at 8000 miles. As of today 3/14/09 24000 plus on the OD .Truck was bought 11/08. Crossing my fingers.Question for River-runner. Your truck was making oil, what you do to fix that??
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Old Mar 14, 2009 | 10:31 AM
  #10  
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Not one problem in 116,500 miles other then CEL for emissions...got rid of all that stuff. did the one recall, never had another ecm reflash/update other then that.
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Old Mar 14, 2009 | 02:44 PM
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Mine is bone stock and after 50K miles I had 2 cel that cleared themselves I'm as happy as can be.
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Old Mar 14, 2009 | 10:05 PM
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Originally Posted by River-runner
Who out there is having great luck with the 6.7?

I had one P2000 at about 2,500 miles. Nothing since then and I now have 20,000 miles.

I don't idle for long periods and most of my miles are highway - BUT - I've got no complaints with this bad boy~! I really like this truck, it does what I expected and more. My dealer has been great.

I'm a little worried about my truck making oil when it was new, but that has passed. A little worried about the crap the EGR is shooting into the oil. But, people are reporting putting lots of miles on this motor with no problems.

16.22 MPG hand calc'ed to date over 20,000 miles with about 50% of miles hauling a small flatbed trailer hauling rafts at +2,500 pounds - real ugly from an aerodynamics standpoint. It is a high load with a lot of things sticking out grabbing at the airflow. I will get 20+ mpg empty on the highway.

Truck is stock.

I figure the majority of us are experiencing good service from this truck.

RiverRunner
just unplug your egr you wont have soot going into your motor and you will gain mpg
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Old Mar 15, 2009 | 04:42 AM
  #13  
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From: This Nazi state of California 2nd home Gilbert AZ under God
26000 and happy. 14.9 average mileage and no CELs and AV flash
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Old Mar 15, 2009 | 06:51 AM
  #14  
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From: Dallas,TX
Running good

24k and everything seems to be fine. I can't afford to lose the warranty so it's bone stock for now.[IMG][/IMG]
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Old Mar 15, 2009 | 07:33 AM
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preloader, Nice truck. Is that a mineral grey dually? Never seen one.

Almost at 12k on mine. Bought it new last august. No issues or cels yet. Truck is on whatever flash is on late build 07.5 trucks. Only issue with this truck is the rear seat belts, both started to stay in the lock position and wont realease until fully retracted. Not fun when its around my kids booster seat. Going in next week for them to have a looksee. May get a current reflash while its in, but not sure if I want to mess with something that has been good.
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