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  1. General Discussion
    good afternoon everyone! I'm new here and have been lurking for awhile now. But I'm having some issues with my truck recently. It's a 2015 2500 gmc . Recently it takes a little longer to crank. When it does take a minute the cab smells like diesel. The fuel filter has about 30% life left on it...
  2. Duramaxforum.com News
    The Duramax engine has used a Bosch CP3 injection pump since its introduction in 2001 with incredible success. The CP3 injection pump has proven to be extremely reliable and capable of supporting major performance with the help of the aftermarket who has modified them for increased volume and...
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