3.0L Duramax LM2/LZO Diesel Repair for Chevy & GMC in Woodstock, GA
ASE-Certified Mechanics. CARFAX Car Care Service Center.
24-Month / 24,000-Mile Warranty.
Expert 3.0L Duramax LM2/LZO Diesel Repair for Chevy & GMC
Is your 2019-2023 Chevrolet Silverado/Sierra 1500, Tahoe, Suburban, or GMC Yukon with the advanced 3.0L Duramax LM2 or LZO engine experiencing performance issues? These modern diesels require specialized knowledge that general repair shops often lack.
At Diesel David Inc in Woodstock, GA, we are equipped with the latest diagnostics and factory-level expertise to service your complex Duramax diesel. From persistent check engine lights to emissions system concerns, we provide the precise care your full-size truck or SUV deserves
Why Choose Diesel David Inc for Your 3.0L Duramax Service
- Engine-Specific Expertise: Proficient in the unique fuel, emissions, and turbo systems of the LM2 & LZO Duramax engines.
- Advanced Diagnostic Capability: We use OEM-level scan tools and Tekmetric software to provide you with clear, photo-documented reports.
- Quality Parts Commitment: We use GM Genuine Parts and trusted OEM suppliers to ensure perfect fit and long-term reliability.
- Honest Communication: We categorize every finding as Urgent, Recommended, or Cosmetic, so you’re always in control.
- Confidence-Backing Warranty: Enjoy peace of mind with our 2-Year/24,000-Mile Warranty on repairs.
- Premium Convenience: Featuring after-hours drop-off, loaner/rental vehicle options, and a comfortable lounge.
Common 3.0L Duramax Repairs & Symptoms We Address:
- Emissions System & DPF/SCR Service: Diagnosing and repairing faults related to the Diesel Particulate Filter (DPF), Selective Catalytic Reduction (SCR), and Diesel Exhaust Fluid (DEF) systems that trigger reduced power or warning lights.
- Turbocharger Diagnostics: Solving boost-related problems, whistle noises, or power loss specific to the twin-turbo setup in newer models.
- Electrical & Sensor Diagnostics: Accurately pinpointing faults within the extensive network of sensors that manage this high-tech diesel engine.
- Fuel System Integrity: Addressing concerns with the high-pressure fuel pump, injectors, or fuel contamination that can cause hard starts or rough running.
- Routine Maintenance & Oil Changes: Using premium Liqui Moly diesel-specific oils and performing critical services like fuel filter changes to maintain peak efficiency and longevity.
- Cooling System Service: Repairing leaks and ensuring the complex cooling system for the engine, turbo, and EGR components operates flawlessly.
- Transmission Service: Expert fluid service and diagnostics for the 10-speed automatic paired with your Duramax.
- Performance Optimization: Safe, professional installation of upgrades to improve power, towing capability, and drivability.
We Are Your Trusted 3.0L Duramax Specialist
Serving Woodstock, Marietta, Kennesaw, Canton, Holly Springs, and the greater Atlanta area, Diesel David Inc is the preferred choice for owners of late-model GM diesel trucks and SUVs. Founded by David, an ASE-certified technician with a passion for diesel engineering, our shop is built on transparency and technical excellence.
We proudly maintain your vehicle’s history as a CARFAX Car Care Service Center, protecting your investment’s resale value.
Ready for Specialist Care for Your 3.0L Duramax?
or call us at (770) 282-9755
Our Shop: Diesel David Inc | 10262 Main St, Woodstock, GA 30188
Hours: Mon - Thu 8:00 AM - 7:00 PM After-Hours Drop-Off Available
Customer Success Stories
Jenn Tadlock
"I absolutely trust this team with my bus and my safety. Brendan is always clear about the price, process, and priority. If I could give you 10 stars I would!!"
Flynn Mcclanahan
"This crew should be your first call! They got me and my 2019 Silverado 3500 Dually back on the road in 48 hours! Great experience. Knowledgeable & very skilled mechanics."
Amber Lawrance
"Jon is amazing. He walked me through every step, and let me know what was urgent, which helped the decision making process so much easier. Thank you Jon!"
Our Automotive Services
Professional Auto Care in Woodstock, GA
At Diesel David Inc in Woodstock, GA, we offer a comprehensive range of services designed to keep your diesel and gasoline vehicles running at their best. From routine maintenance and advanced diagnostics to performance upgrades and specialized repairs, our ASE-Certified Technicians are equipped with the expertise and tools to handle all your automotive needs. Trust us to deliver reliable, high-quality service backed by our 2-Year/24,000-Mile Warranty, ensuring your vehicle’s longevity and performance on the road. Explore our services and see how we can help keep your vehicle in top condition.
Glow Plug Service
Ensure your diesel engine starts reliably in cold weather with our expert glow plug service. We diagnose and replace faulty plugs for optimal performance.
Turbo and Injector Diagnostics
Ensure your safety with our comprehensive brake repair and replacement services. Regular brake maintenance is crucial to avoid accidents and ensures your vehicle stops reliably ...
Routine Maintenance
Keep your diesel vehicle running smoothly with regular maintenance and oil changes. Prevent major repairs and extend your engine's lifespan with our expert care.
Frequently Asked Questions About Duramax Services
My 2021 Sierra 1500 Duramax is in "Reduced Engine Power" mode. Can you fix this?
Yes, this is a common safeguard triggered by emissions, turbo, or sensor faults. Our advanced diagnostics quickly identify the root cause—whether it’s a DEF system issue, a faulty sensor, or a turbo concern—and we provide a transparent repair plan.
Do you service the Diesel Exhaust Fluid (DEF) system on these trucks?
Absolutely. We perform full diagnostics and repairs on the DEF tank, pump, injector, and sensors. We can also address software updates and complex SCR system faults that cause check engine lights.
What makes you different from the dealership for 3.0L Duramax service?
We offer dealership-level expertise with the personalized attention and value of an independent shop. Our process is more transparent, our warranty is strong, and we often get you in sooner. We also take the time to explain your repairs in detail.
I use my Yukon for towing. Do you offer pre-trip inspections or performance upgrades?
We highly recommend a pre-trip inspection for diesel vehicles used for towing. We also provide expert consultation and installation of reputable performance upgrades, such as tuners and exhaust systems, to improve towing performance and efficiency safely.
Our Location
QUALITY AUTO REPAIR and Maintenance IN Woodstock, GA and Nearby Areas
Diesel David Inc is proud to serve Woodstock, GA, and the surrounding areas with our top-tier diesel vehicle repair services. Our shop is centrally located to provide easy access for customers, ensuring that your vehicle receives the highest quality care no matter where you are. Whether you need routine maintenance or a more complex repair, our experienced technicians are ready to assist you with exceptional service and expertise.
In addition to our shop services, we extend our mobile and off-site repair options to a wide range of locations within this 100-mile radius. This allows us to bring our expert care directly to your home, workplace, or even roadside, making vehicle maintenance as convenient as possible. Below are some of the cities we proudly serve:
- Marietta
- Acworth
- Smyrna
- Woodstock
- Alpharetta
- Roswell
- Sandy Springs
- Dunwoody
- Dallas
- Powder Springs
- Hiram
- Cartersville
- Atlanta
- Decatur
- East Cobb
- Norcross
