Forum Discussion
Hammerboy
Aug 02, 2020Explorer
KD4UPL wrote:
The Duramax used thru 2016 was the LML. In 2017 they started with a new Duramax called the L5P. The L5P uses a Denso fuel system instead of a Bosch system. The old Bosch CP4 injection pump had a bad reputation for failures on both Chevy and Ford diesels. When the pump went out it generally took the rest of the fuel system with it. I would much prefer a 2017 or newer with the Denso pump. The L5P also gained 80 hp and 250 lb ft.
This is one of the reasons I traded in my 2012 Duramax last fall with about 109K on it. While it was a good truck I knew it had the CP4 in it and it was a potential ticking time bomb. The other reason is I didn't want the first year of a redesign of the 2020's not to mention the look especially the Chevy's are controversial, plus deals were to be had on the 2019's last fall. I agree with the 2017-2019 model years is where I would shop.
Dan
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