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Discussion Starter · #1 ·
Hey guys,

My duramax is puking when i'm pulling my 40ft enclosed trailer when I got her floored. It stutters and won't rev out all the way. Pulled over on the side of the road and put it into neutral and reved it and it would only go up to 2000rpm. I haven't done much to it besides change the oil filter. What do you think it could be? Its not throwing codes or anything. THANKS
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