L5P - DuramaxDiesels.com
Dec 3, 2025 · NOX sensor 2018 2500HD Duramax L5P TexanKirk1 Jun 6, 2024 2 Replies 20 Views 4K Sep 18, 2024
Fuel additives in a new engine? 2025 L5P - Chevy and GMC …
Jan 2, 2025 · Do you start using fuel additives immediately on new engines? Just picked up a new ‘25 L5P Silverado with 12 miles and wondered when would be best to start the additives. Our …
l5p stumbles?? | Diesel Place
2017 Chevrolet Silverado 3500HD SRW High Country CCSB L5P Duramax -SoldCognito UCA kit, Truxedo soft tunnel cover, 18" Novakane's death metal wrapped in LT275/70R18 Nitto Ridge …
L5P and after will never be tuned. Period. - Chevy and GMC …
Sep 24, 2017 · EFILive (some pretty smart guys) gave up on L5P ECM. Quote from their forum MOD: "There is no encryption as such but there is SHA-256 signatures on every calibration …
HELP (Code P2ADA) 2017 L5P - Chevy and GMC Duramax Diesel …
Jul 3, 2022 · After 153K miles my faithful Duramax gave me the infamous emissions service countdown. I went to my local GMC dealership for a diagnostic check, and they said the …
L5P Issues, Issues, and More Issues - Chevy and GMC Duramax …
Oct 25, 2024 · This is my first truck and after my research a few years ago the Duramax seemed like a great choice (outside of going Dually, but the powertrain is the same). Ram seems to …
2017 L5P Duramax Code P026D - Chevy and GMC Duramax Diesel …
Nov 26, 2019 · 2017 L5P Duramax Code P026D Jump to Latest 161K views 77 replies 35 participants last post by onebad2500hd Oct 3, 2025 J
L5P injector connector Replacement - Chevy and GMC Duramax …
Sep 2, 2022 · L5P 6.6L Duramax Injector Pigtail Harness Gold Pins UPGRADE for 17-24 Chevy GMC | eBay NEW INJECTOR PIGTAIL HARNESS UPGRADE KIT FOR all 2017 to 2025 …
L5P owners!! Check and clean your TMAP sensor - Chevy and GMC …
Mar 30, 2021 · Upper MAP Sensor Spacer Kit for 2017-2025 Duramax L5P The amount of soot that builds up on the L5P MAP sensor is unreal. Our MAP Sensor Spacer keeps your sensor …
2025 L5P fuel economy much worse than 2021 L5P? - Chevy and …
Apr 21, 2025 · I just traded in my 2021 GMC 3500 for a 2025 3500. This is my 6th duramax truck and this new one is using a lot of fuel. It's at the point where there is no way I would have …