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California Owners: 3.0 Duramax Diesels Require a Reprogram
N242441450 just came out that applies to all 3.0 Duramax Diesels in California (2021 - 2024) (LM2 and LZ0)
Aug 21, 2024
875


LZ0 ECM Update Available ! Regen Fix?
A new ECM Calibration Update has just arrived. This update is available if you have one of these codes listed below, DO NOT GO TO YOUR...
Jun 1, 2024
2,212


3.0 Duramax Diesel with LZ0 Possible Leak at Intake Manifold
A technical service bulletin #22-NA-128 addressing a malfunction indicator lamp (MIL) illumination issue has been updated to now include...
May 30, 2024
1,255


2024 L5P Major Engine Issue Found !
UPDATE- it has been said, not confirmed, that there are approximately 10 vehicles involved Release Date: May 2024 Program Effective...
May 16, 2024
12,378


What is: Diesel Fuel Injection Small Quantity Adjustment
In modern diesel fuel systems, small quantity adjustment plays a crucial role in optimizing engine performance and fuel efficiency. Small...
May 14, 2024
255


2024 Silverado / Sierra Sheet Metal Splitting !?!?
If you own a 2024 Silverado or Sierra, it would be a good idea to inspect your left rear door jamb for any cracks. GM has just informed...
May 10, 2024
695


What is Regen / Regeneration in the 3.0 Duramax Diesel
Understanding Exhaust Regeneration in Your Chevrolet Silverado with a 3.0 Duramax Diesel Engine If you're a new owner of a Chevrolet...
May 9, 2024
2,502


0w20 Dexos D Oil Analysis Comparison - 3.0L Duramax Diesel
It is often wondered just how the 0w20 Dexos D engine oil is holding up in the modern 3.0 Liter Duramax Diesel. Some have purchased oil...
Apr 16, 2024
1,616


Truck / SUV May Not Restart - P138C - FIX
I am happy to inform you there is finally a fix to this stop/start issue. I personally experienced this with my 2023 LZ0 and I mentioned...
Apr 11, 2024
1,117


Oil Consumption Fix #22-NA-027
If you have a 2020 - 2022 3.0 Duramax Diesel and are experiencing engine oil consumption, you may have a simple fix. Simple, being a...
Apr 8, 2024
797


Unwanted Tailgate Opening - Latest Fix (March 28 2024) Silverado Sierra 1500 Models
There is a recall out for unwanted tailgate opening but that is for the 2500/3500 trucks and not the 1500, unless, the truck is a...
Mar 29, 2024
360


SUPER CRUISE FIX AVAILABLE - B2BA1 - #24-NA-063
Super Cruise equipped vehicles have had their fair share of issues and GM has released a fix for one of them. If you are seeing a message...
Mar 28, 2024
119


RECALL - Automatic Exterior Lights May Not Activate As Required
NOTE- Canadian Trucks Only N232431050-10: CMVSS Noncompliance Recall - Automatic Exterior Lights May Not Activate As Required - (Mar 26,...
Mar 27, 2024
866


40,000 Vehicles ?! Glow Plug Failure? Special Coverage for 2020 LM2 Silverado / Sierra
Special Coverage for #2 Glow Plug failure in 2020 LM2 3.0 Duramax Diesel to be offered for 150,000 miles / 15 Years, whichever occurs...
Jan 30, 2024
1,358


REVIEWED: Every Single Modification For The 3.0 Duramax Diesel
In the latest video upload from Demonworks, Greg discusses every single part available for the 3.0 Duramax Diesel. With a full...
Jan 21, 2024
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