Let's take it apart! In this episode Ben and Tyler go over why the CP4 has a high failure rate and compare internals with the CP3. The CP4 injection pump has been around the 3/4 and 1 ton diesel market since 2011 in the Powerstroke, and Duramax. In 2019 Ram decided it was time to jump on the bandwagon, but quickly reversed their choice for the 2021 model trucks.

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