Diesel Engine Repair & Rebuild Specialists in Fargo, ND

When your diesel truck needs more than routine maintenance, ATI of Fargo delivers the expertise required to diagnose, repair, rebuild, and restore diesel engines the right way.

From head gasket failures and engine replacements to complete diesel engine rebuilds, our team specializes in Duramax, Powerstroke, and Cummins diesel pickup trucks.

Why Diesel Truck Owners Trust ATI With Major Engine Repairs

Major engine repairs require experience, attention to detail, and a commitment to quality workmanship. ATI has the knowledge and equipment needed to handle everything from engine diagnostics to complete engine rebuilds.

Diesel Engine Specialists

Our team specializes in light-duty diesel pickup trucks and understands the common issues associated with Duramax, Powerstroke, and Cummins engines.

Accurate Diagnosis

Before recommending major repairs, we perform thorough inspections and diagnostics to identify the true cause of the problem.

Quality Workmanship

Whether we’re replacing a head gasket or rebuilding an entire engine, we take pride in doing the job right the first time.

Diesel Engine Services

ATI provides comprehensive diesel engine repair and rebuild services for diesel pickup owners throughout Fargo, West Fargo, Moorhead, Dilworth, and surrounding communities.

Diesel Engine Rebuilds

When an engine reaches the point where repairs are no longer enough, a rebuild may be the most cost-effective solution.

Engine Replacement

For severe engine damage, ATI provides complete diesel engine replacement services using quality components and proven installation procedures.

Head Gasket Repair

Head gasket failures can lead to coolant loss, overheating, and major engine damage if left untreated. ATI diagnoses and repairs these issues before they become larger problems.

Cylinder Head Service

Cylinder head inspection, repair, replacement, and related engine services performed to manufacturer specifications.

Long Block & Short Block Replacement

Replacement options designed to restore engine performance and reliability when extensive internal damage is present.

ATI Fargo Diesel Truck Repair and Performance

Diesel Engine Repair

From drivability concerns to major mechanical failures, ATI provides professional diesel engine repair services designed to restore reliability and performance.

Common Diesel Engine Problems We Repair

Diesel engines are built for durability, but even the best engines can develop problems over time. ATI helps diagnose and repair a wide range of diesel engine concerns.

Problems We Frequently Diagnose

✔ Head Gasket Failure

✔ Coolant Consumption

✔ Excessive Smoke

✔ Oil Consumption

✔ Low Compression

✔ Loss of Power

✔ Overheating

✔ Injector Failure

✔ Turbocharger Problems

✔ Fuel System Damage

✔ Internal Engine Damage

✔ Hard Starting

Duramax • Powerstroke • Cummins Engine Specialists

ATI specializes in diagnosing and repairing the three most popular diesel pickup platforms.

GMC - Duramax Diesel Repair

Duramax Repair

Expert engine diagnostics, repairs, and rebuilds for Chevrolet and GMC Duramax trucks.

FORD - Power Stroke Diesel Repair

Powerstroke Repair

Specialized engine repair and reliability solutions for Ford Powerstroke diesel pickups.

Cummins - RAM Diesel Repair

Cummins Repair

Professional repair, maintenance, and engine services for Ram Cummins diesel trucks.

Engine Repair & Rebuild Services Throughout Fargo-Moorhead

ATI proudly provides diesel engine repair services throughout Fargo, West Fargo, Moorhead, Dilworth, Horace, Harwood, Casselton, Kindred, and surrounding communities.

Whether your truck requires diagnostics, repairs, a head gasket replacement, or a complete engine rebuild, ATI delivers reliable solutions designed to keep your truck on the road.

FAQs​

Common signs include excessive oil consumption, low compression, significant loss of power, excessive smoke, and recurring engine problems.

The answer depends on the extent of the damage, the condition of the vehicle, and your long-term goals. ATI can help determine the most cost-effective option.

Yes. ATI provides Duramax engine diagnostics, repairs, rebuilds, and replacements.

Yes. ATI specializes in Powerstroke engine repair and rebuild services.

Yes. ATI provides complete Cummins engine repair and rebuild solutions.

Need Expert Diesel Engine Repair?

Whether you’re dealing with a major repair, head gasket issue, or considering an engine rebuild, ATI is ready to help.

Tell us about your truck and the issues you’re experiencing, and our team will help determine the best path forward.