CP4 Exergy " System Saver " Fuel Pressure Regulator Install - Page 16 - Chevy and GMC Duramax Diesel Forum
11-16 LML Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #151 of 152 (permalink) Old 11-07-2019, 05:41 PM
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Join Date: Aug 2010
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Nothing wrong with spending the $$$.

Nothing will save this pump or injectors if it gets contaminated fuel...Those that have Installed Auxiliary filtration with correct Plumbing have 0 problems, and I have had at least five CP4s make to the 500K mile mark, they all are tried ,and Need of replacing. The CP4 lives' or die's on the cleanliness of the fuel its uses.
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post #152 of 152 (permalink) Old 01-10-2020, 10:48 AM
 
Join Date: Jun 2013
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Shortnugly - thanks man for posting the pics and hints - save me a ton of time. Just finished mine 2 hrs start to finish including cleanup. The hints about the T25 and plugs saved me a lot of grief. There are some particles on the old screen - got me worried; can't tell if its just some dirt or shavings. I'll take a magnet to them... if it's metal I'm getting rid of it now while it's still in good shape. (2015 Duramax, 80,000 miles).
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