
Diesel Services
Expert Diesel Diagnostics, Maintenance & Heavy-Duty Repair for Trucks Built to Perform.
Diesel
Automotive Expertise
From routine maintenance to advanced diagnostics and major mechanical repairs, our experienced technicians provide dependable diesel service designed to keep your truck operating at its best. Whether your vehicle is used for daily driving, towing, commercial work, or recreation, every service is performed with precision, quality components, and attention to long-term reliability.
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Using professional-grade diagnostic equipment and proven repair procedures, we accurately diagnose and resolve issues involving modern diesel engines, fuel systems, emissions components, turbochargers, and drivetrains. Our goal is simple: deliver reliable repairs, maximize performance, and help extend the life of your investment.
Advanced Diagnostics
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Check Engine Light Diagnostics
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Fuel System Diagnostics
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Turbocharger Diagnostics
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DEF & SCR System Diagnostics
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Electrical System Diagnostics
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Drivability & Performance Testing
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Preventative Maintenance
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Manufacturer-Scheduled Maintenance
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Oil & Filter Service
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Fuel Filter Replacement
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Cooling System Maintenance
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Transmission Service
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Differential & Transfer Case Service
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Mechanical Repairs
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Engine Repair & Replacement
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Turbocharger Repair
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Fuel System Repair
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Transmission Repair
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Suspension & Steering Repair
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Cooling System Repair
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Specialty Diesel Services
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DPF Cleaning & Regeneration
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EGR System Service
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Injector Testing & Replacement
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DEF System Repair
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Performance Upgrades
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Pre-Purchase Diesel Inspections
Dealer-Level Diagnostics
Advanced manufacturer-specific diagnostic equipment for accurate troubleshooting and repair.
OEM & OE Quality Parts
We use quality components that meet or exceed manufacturer standards whenever possible.
Factory-Scheduled Maintenance
Maintenance performed according to manufacturer specifications to protect performance and longevity.
Master-Level Expertise
Backed by more than 30 years of advanced automotive experience and specialized technical knowledge.
Precision Workmanship
Every repair is completed with meticulous attention to detail and long-term reliability in mind.
Personalized Service
Clear communication, transparent recommendations, and service tailored to your vehicle.
Specialized Diesel Systems We Service
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Ford Power Stroke diesel systems
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Chevrolet/GMC Duramax
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Ram / Cummins diesel systems
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Diesel fuel injection & high-pressure fuel systems
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Turbocharger & boost control systems
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DEF, DPF & emissions system diagnostics
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Diesel electrical, programming & module updates

Featured Diesel Platforms
Diesel Repair in Oklahoma City
Duramax
Chevrolet/GMC Duramax engines are engineered for both heavy-duty work and everyday reliability. Using professional diagnostic equipment and quality replacement components, we accurately diagnose and repair issues while helping maximize long-term performance and dependability.
Ford Power Stroke trucks are known for their towing capability and advanced diesel technology. We provide comprehensive diagnostics, maintenance, fuel system repairs, turbocharger service, cooling system repairs, and drivability diagnostics to help keep your truck performing at its best.
Power Stroke
Cummins-powered Ram trucks are built to handle demanding workloads and high mileage. Whether your truck is used for towing, commercial applications, or daily driving, we provide dependable maintenance and repair solutions designed to protect reliability and performance.
Cummins
Visit Thompson & Salyer
3617 SW 44th St.
Oklahoma City, OK 73119
Mon – Fri: 8:00 AM – 5:00 PM