Having a Duramax lift pump is something that comes with a lot of benefits. The lift pump draws fuel from your gas tank, from your fuel tank and then pushes it to your injection pump. All Duramaxes (from 2001 through 2016), don’t have any kind of a fuel pump. They only have injection pumps. So, when you add a lift pump, it can greatly help performance of your truck.
Adding a lift pump on your Duramax will save your CP3 or in cases with the LML. If you are still stuck with a CP4, it can help save that CP4 from cavitation and ruining a $10,000 fuel system. It is important to remember that these fuel systems are not cheap in these trucks. Putting, swapping in a CP3, or putting in a CP3 alone is going to cost you well over a thousand dollars, depending on the CP3 that you will get. If you get a remanned, it might be a little less than a thousand dollars. However, if you get a brand new CP3 from Bosch or from another company such as Xergy, be ready to spend towards a thousand plus. A lift pump will help save your CP3 pumps and your CP4 pumps from basically going to shit. If you decide to operate the stock form without a lift pump, your CP3, CP4 injection pump will basically pull the fuel through a vacuum, and then has to pressurize the system at the same time. By adding a lift pump, it will save your injection pump so that it does not have to sit there and pull the fuel through a vacuum from the tank to itself, and then pressurize the system at the same time. Instead, it will just pressurize the fuel going into your fuel rails, which then lead to your injectors. For more information on the benefits of the Duramax lift pump, visit our website at https://puredieselpower.com
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August 2021
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