top of page
Breaking News:
Newsletter Coming Soon
Fresh Off The Press
GM 3.0L Duramax LZ0 Engine: Complete Specifications, Design Features, and Technical Breakdown
The LZ0 Duramax is GM's second-generation 3.0L inline-six diesel engine, producing 305 horsepower and 495 lb-ft of torque. This complete guide covers specifications, steel pistons, cooling system updates, reliability improvements, and every major difference between the LZ0 and LM2 engines.
GM Issues New Guidance for 3.0 Duramax Codes P00DF, P0101, P0186 and 419°F Fuel Temps
GM says some 3.0L LZ0 Duramax trucks showing 419°F fuel temperature readings and multiple DTCs may actually have a faulty MAP/IAT sensor. Here’s what bulletin PIP6119 says and how to access the sensor.
The video naturally supports this article because it already covers MAP sensor access and removal. https://youtu.be/f2uBXmtPPpw
GM Confirms P2002 Codes Can Be Triggered by OTA Updates on the 3.0L Duramax
GM has officially released bulletin #26-NA-168 acknowledging that some 2023 LZ0 3.0L Duramax trucks may trigger a P2002 code immediately after an OTA update — even when the diesel particulate filter is not actually failed. Here’s what the bulletin says, why it matters, and how it connects directly to a recent 3.0 Duramax Podcast discussion.
6.6L Duramax Diesel Engine
New GM Emissions Recall N242438500: 2024 L5P Duramax SCR Fault Detection
General Motors has launched a new emissions recall that affects certain 2024 Chevrolet Silverado HD and GMC Sierra HD trucks equipped with the 6.6L L5P Duramax. Recall ID: N242438500 Title: ECM OBD – Selective Catalyst Reduction (SCR) Fault Detection Release Date: November 2025 Applies To: 2024 Chevrolet Silverado 2500HD / 3500HD (L5P 6.6L Duramax) 2024 GMC Sierra 2500HD / 3500HD (L5P 6.6L Duramax) This is a voluntary emissions recall focused on the software that monitors


EPA Issues Guidance to Fix DEF Derates: What the New Rule Means for Your 3.0 Duramax
If you’ve been driving your 3.0 Duramax-equipped truck or SUV, you're likely familiar with the frustration of a Diesel Exhaust Fluid...


The Devastating Consequences of Fuel Contamination in Your Duramax Diesel: DEF vs. Gasoline
For Duramax diesel owners, the fuel system is the lifeline of your vehicle’s performance, delivering the power and efficiency you rely...
3.0L Duramax Diesel Engine
GM 3.0L Duramax LZ0 Engine: Complete Specifications, Design Features, and Technical Breakdown
The LZ0 Duramax is GM's second-generation 3.0L inline-six diesel engine, producing 305 horsepower and 495 lb-ft of torque. This complete guide covers specifications, steel pistons, cooling system updates, reliability improvements, and every major difference between the LZ0 and LM2 engines.


Why Rising Lubricant Prices Could Hit 3.0 Duramax Owners Harder Than Most
Rising synthetic oil prices and global base oil shortages could directly affect 3.0 Duramax owners. From higher DexosD oil costs and tighter supply to potential formulation changes, here’s what LM2 and LZ0 owners need to know — and why modern diesel engines are more dependent on oil quality than ever before.
GM Updates 3.0 Duramax Oil Consumption Bulletin — LZ0 Engines Now Included
GM has updated its official oil consumption bulletin for the 3.0L Duramax diesel engine, now adding the newer LZ0 platform alongside the LM2. The bulletin explains what oil consumption is considered normal, how towing affects oil usage, and why proper oil level checking procedures matter for diesel truck owners.
Other Diesel News
GM Google Gemini Update Now Available: How to Upgrade Your Duramax Truck’s Assistant (Step-by-Step Guide)
Google Gemini — the smarter, more conversational AI — is now rolling out to 2022+ Duramax trucks and other GM vehicles with Google Built-in. In this guide we break down exactly why you’ll want the upgrade, plus the official step-by-step process from GM Service Bulletin #26-NA-127 to check your Android version, update Maps & Assistant, and activate Gemini in minutes.
Ready to ditch the old Google Assistant for a much more capable co-pilot? Full guide and how-to inside.
LEGAL TO DELETE? NO. But, EPA Rescinds the 2009 Endangerment Finding: What It Actually Means for 3.0 Duramax Owners
The EPA has rescinded the 2009 Endangerment Finding, but what does that actually mean for diesel owners? Here’s a clear breakdown of how the change affects greenhouse gases, the Clean Air Act, and 3.0 Duramax emissions systems.


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,...
Buyers Market -
GM 3.0L Duramax LZ0 Engine: Complete Specifications, Design Features, and Technical Breakdown
The LZ0 Duramax is GM's second-generation 3.0L inline-six diesel engine, producing 305 horsepower and 495 lb-ft of torque. This complete guide covers specifications, steel pistons, cooling system updates, reliability improvements, and every major difference between the LZ0 and LM2 engines.
GM Issues New Guidance for 3.0 Duramax Codes P00DF, P0101, P0186 and 419°F Fuel Temps
GM says some 3.0L LZ0 Duramax trucks showing 419°F fuel temperature readings and multiple DTCs may actually have a faulty MAP/IAT sensor. Here’s what bulletin PIP6119 says and how to access the sensor.
The video naturally supports this article because it already covers MAP sensor access and removal. https://youtu.be/f2uBXmtPPpw
GM Confirms P2002 Codes Can Be Triggered by OTA Updates on the 3.0L Duramax
GM has officially released bulletin #26-NA-168 acknowledging that some 2023 LZ0 3.0L Duramax trucks may trigger a P2002 code immediately after an OTA update — even when the diesel particulate filter is not actually failed. Here’s what the bulletin says, why it matters, and how it connects directly to a recent 3.0 Duramax Podcast discussion.
bottom of page