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Discussion Starter · #1 ·
I have a new 2007 duramax 2500hd, pulling 10,000 lbs travel trailer in Texas, pulling hills it lost power and would run only about 40 mph, onstar diagnostics said "exhuast emission failure". I had it reset in Pecos and then it seemed to run fine for now (into San Antonio).
I have come to understand that there is an issue with the software on the emissions for the computer (?) I think. Has anyone else had any issues?
The truck had less than 1000 miles on it when it happened.
I also understand from local service advisor that GM is working on a update for a similar or the same issue, perhaps ready in 15-30 days if it passes the epa standards.

thanks
Blake
 

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Take it back to the dealer for software updates. It's brand new, might as well get your money's worth out of the warranty.
 
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