When did Duramax change fuel pump?
When did Duramax change fuel pump? Lift Pumps | Injection Pumps | Injectors Model year 2017 marked some major changes for the Duramax fuel system. Finally, they forewent the status quo that had been hovering over this engine since 2001 with the only major change occurring in the 2011 model years with the LML engine. What causes a Duramax diesel engine to heat up? When the engine is working hard, the turbocharger is drawing in a ton of air, and the restrictive stock turbo inlet tube can effectively choke the VGT turbocharger causing the compressor outlet temperature to skyrocket, heating...