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First time posting and I need some guidance from the forum. I purchased my new Laramie Eco Diesel and it was delivered in August 2014. In September with 4000 km I got my 1st regen in warmer climate. Beginning in Dec when colder temperatures arrived my 1st CEL light came on and dealer replaced oxygen sensor, 400 km later CEL again and this time a week at dealership awaiting at CAT converter, at 11,000 CEL this time a clogged DEF nozzle, 500 km later CEL this time a new DEF pump after a week at dealership and thisa past Monday after only 300 km CEL and I'm informed I need a new NOX sensor and a DEF injector which is on back order and no date for delivery. Meanwhile truck sits at the garage and they gave me a **** NOX as a loaner. I a quickly loosing faith in this truck as I had hoped at 63 it might my last vehicle and went all in when purchasing. I've read many comments about how cold weather can have a very negative effect on these systems, in northern NB cold weather in winter is an every day occurrence like regularly -10 to -20+ and I am wondering if this was the right truck for this climate. I am not very mechanically inclined and maybe that was a mistake purchasing new technology so early in the came. I do love the truck for all other aspects.
 

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I just started having similar issues with my truck as well. When I took it in for its first oil change, I was told the truck needed a computer reflash. Because there's only 1 diesel technician at my local dealership, it took a few weeks fo me to get this done. Before I made it to 17K the cel light came on. I took it in only to confirm the upgrade caused this problem. After it was fixed, I noticed the invoice said that they replaced an emissions gasket associated with the def fluid. After a week the cel light came on again. I took it back this week only to find they need to order a new def injector because the system has a design flaw that causes it to dump too much fluid
The tech confessed that several ecodiesels have come in with this issue and once the issues are repaired, he doesn't see any more problems. I agree with you DBM. I'm concerned because I spent a lot of money on this truck because I plan on keeping it a long time. My truck still has less than 18.5K on it.
 
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