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joshmoe

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Everything posted by joshmoe

  1. Thanks for the input and for sharing your experiences. The truck has been in the shop now for three days with no solution for the problem. The one thing the dealer says is that it may get better within 6000miles as the tranny needs to "learn" the engine?? I have also read about the afm update but i am not sure if my truck has it or not< I will ask tomorrow. I am not sure what to make of that but I just put insurance back on the old 2008...damn i missed that truck.
  2. Three weeks ago I decided to retire my 2008 Sierra and sign the papers on a new one. I picked up a 2014 GMC sierra SLT 4X4. I have noticed a really annoying vibration during low cruising speeds (30-40mph) when the truck goes into v4 mode. I have taken into the dealer and they say that it is the normal operation of fuel management system, and it is because the exaust sytem is detuned while only firing on four cylinders. Has anyone heard of this theory? I am so disapionted right now and ready to sell it. Frustrated I guess since my 08 had a vibration that I could not get rid of at 60-70mph. .
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