Main 636.359.6988
Service 636.377.0321
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8000 S Spoede Ln Warrenton, MO 63383
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Light-Duty Diesel Repair in Warrenton, MO


636.377.0321
Welcome!

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Preventative diesel care for long-term reliability
Cummins, Power Stroke, and Duramax maintenance
Trusted light-duty diesel specialists in Warrenton

If you rely on a diesel-powered pickup or work truck, keeping it running strong is a must. At Shelton Automotive Group & Diesel Repair, we specialize in light-duty diesel repair in Warrenton, MO, offering the kind of expert care your vehicle deserves. From Power Stroke to Duramax and Cummins engines, our technicians know these systems inside and out. Whether it’s routine maintenance, diagnostics, or major repairs, we’ve got the tools and expertise to keep your diesel engine performing at its best.

Experienced Diesel Technicians You Can Trust

Our team isn’t just trained—they’re passionate about diesel performance. Each technician has hands-on experience working with all major light-duty diesel engines, meaning you’ll get accurate diagnostics and repairs that stand the test of time. We use advanced scan tools designed for diesel systems, ensuring no issue goes unnoticed. From injector replacements to turbocharger repairs, every job is done right the first time.

Common Diesel Problems We Handle

Light-duty diesel engines are built tough, but even the best need attention from time to time. We regularly fix issues like poor fuel economy, hard starts, loss of power, and excessive smoke. Our crew takes a systematic approach to finding the root cause—whether it’s fuel contamination, sensor failure, or clogged filters—so you’re not paying for unnecessary parts or guesswork.

Maintenance to Keep You Moving

Preventive maintenance goes a long way toward avoiding costly breakdowns. We recommend routine services such as fuel filter changes, oil and fluid checks, and cooling system inspections. These simple steps help extend your diesel’s lifespan and maintain peak efficiency, especially if you use your vehicle for towing or hauling heavy loads.

Why Local Drivers Choose Us

At Shelton Automotive Group & Diesel Repair, we combine dealership-level knowledge with small-town customer service. We believe in honest communication, fair pricing, and fast turnaround times. Our shop is locally owned, and we treat every customer like a neighbor, because that’s exactly what you are. When you need dependable diesel work, you’ll find it right here.

Light-Duty Diesel Repair Near Me

When your truck needs reliable light-duty diesel repair in Warrenton, MO, Shelton Automotive Group & Diesel Repair is the shop to trust. We’re proud to serve drivers across the Warrenton area with expert service, top-quality parts, and a team that truly cares about keeping your diesel on the road. Give us a call today to schedule your next service and experience the difference firsthand.

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