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  1. General Discussion
    2011 GMC Duramax 2500. I have been getting the engine power reduced message a lot. After driving normal on the interstate or highway, when I pull up to a stop light, the engine power reduced flashes. It does it about any time I slow down after driving, even while hooking trailers and loading...
  2. Get In the VAN!!!
    Hoping someone can help me. 2009 Chevy Express 2500 Cargo Van Duramax Diesel with 180K miles. Have had "clean exhaust filter" / reduced power message and had the DPF manually cleaned twice. I am still getting the clean exhaust filter message and when I start the van it goes into "Engine Power...
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