Video thanks to our friends at Duramax tuner always providing their knowledge and insight, if you haven't already go check out their podcasts and other videos tons of useful information and its all free! Also take a look at our video tearing down a blown CP4 pump in house. 

If you own a 11-16 Duramax we can help you prevent this by installing a lift pump and or CP3 conversion just give us a call or purchase from our web store! 

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