Diesel Repair – Powerstroke, Cummins & Duramax

When it comes to diesel engines, you need experienced hands and specialized knowledge. At Monroe’s Garage in Bossier City, we provide expert diesel engine repair and maintenance for Powerstroke, Cummins, and Duramax trucks. Whether your diesel vehicle is used for work, towing, or heavy-duty performance, our ASE Master Certified technicians deliver the precision service it requires.

We understand the unique systems and components that make diesel engines different from gas-powered vehicles. Using advanced diagnostic tools and OEM-quality parts, we accurately identify issues and perform repairs that stand up to the demands of the road.

Our Diesel Services Include:

  • Fuel injector testing, repair, and replacement

  • Turbocharger diagnostics and repairs

  • Diesel fuel system service and troubleshooting

  • Exhaust system repairs and EGR valve service

  • Glow plug replacement

  • Cooling system diagnostics and repairs

  • Routine diesel engine maintenance

Whether you’re managing a fleet of diesel trucks or maintaining your personal workhorse, we’ll help maximize uptime, performance, and fuel efficiency.

Mechanic inspecting car engine in auto repair shop wearing Monroe's Garage shirt.

Benefits of Expert Diesel Repair:

  • Increased engine power and reliability

  • Better towing and hauling performance

  • Improved fuel economy

  • Reduced emissions and compliance with EPA standards

  • Longer engine life and fewer major breakdowns

ASE logo on a blue background

Why Choose Monroe’s Garage?

  • Diesel engine specialists for Powerstroke, Cummins & Duramax

  • Serving Bossier City drivers since 1969

  • State-of-the-art diagnostic equipment

  • Honest, transparent service

  • Fast turnaround and quality workmanship

Schedule Diesel Repair Today

Your diesel engine works hard—make sure it gets the care it deserves. Contact Monroe’s Garage today to schedule diesel repair in Bossier City, and keep your truck running strong and reliable for the long haul.