Do L5P Have Cp4?
Denso High-Pressure Fuel Pump for the First Time in the Duramax Engine's History, Gm Parted Ways with Bosch for Its Fuel System and Ecm Needs. on the L5P, a...
Does L5P use CP4?
Duramax L5P Reliability
The L5P is considered the most reliable post-emissions Duramax made to date. With the removal of the CP4.
What year Duramax has CP4 pump?
The 2011-2016 LML Duramax is notorious for this issue. These trucks are outfitted with Bosch CP4 high-pressure injection pumps, which have the tendency to fail once they're exposed to diesel fuel.
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