Specialized Diesel Truck Repair in San Diego

Expert DPF, DOC & SCR Aftertreatment Services for Reliable Fleet Operations

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Serving San Diego & Southern California

Emergency repairs & scheduled maintenance

Expert Diesel Truck Services

At Otay Truck Repair, we provide specialized maintenance and repair solutions to keep your fleet running efficiently and in compliance with emission standards. Our expertise covers the full spectrum of modern diesel truck needs.

Diesel Engine Repair & Diagnostic

Comprehensive diagnostics and precision repair for all diesel engines, from minor tune-ups to major overhauls, ensuring optimal performance and longevity.

DPF, DOC & SCR Aftertreatment Service

Specialized diagnostic, cleaning, and repair of emission control systems. We ensure your truck meets EPA regulations and maintains fuel efficiency.

Repair for Trucks of All Sizes

From light-duty pickups to heavy-duty Class 8 trucks and fleet vehicles, our technicians have the expertise and equipment to handle any repair or maintenance task.

Otay Truck Repair technician performing diesel engine diagnostics and DPF system service in San Diego

Trusted by San Diego Truck Owners

Our commitment to expert diesel repair and emission compliance keeps fleets running. See what our customers say.

4.8 / 5

"Got my fleet's DPF systems serviced here. They know their stuff and got us back on the road fast. No more emission warning lights."

MF

M. Flores

Fleet Operator, Otay Mesa

5.0 / 5

"Emergency engine diagnostic on a Saturday. The team was professional, explained the SCR issue clearly, and had the parts in stock. Saved us a major downtime."

JS

J. Simmons

Owner-Operator, San Diego

4.9 / 5

"Consistent, reliable maintenance for all our trucks. Their specialization in aftertreatment systems gives us confidence we're meeting compliance without headaches."

TC

T. Chen

Logistics Manager, Southern CA

Rated Excellent

Based on independent review platforms

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Otay Truck Repair technician performing expert DPF, DOC, and SCR aftertreatment diagnostics in San Diego

Why Choose Otay Truck Repair

In a field where precision and reliability are non-negotiable, we stand apart. Our focus is on keeping your fleet compliant, efficient, and on the road with specialized expertise you won't find elsewhere.

Aftertreatment System Specialists

We focus on the complex systems that keep your trucks compliant: DPF, DOC, and SCR diagnostics and repair. Our deep expertise ensures your fleet meets EPA regulations and operates at peak efficiency.

Expertise for All Truck Sizes

From medium-duty work trucks to heavy-duty Class 8 rigs, our team has the experience and equipment to handle diesel engine repair and maintenance across your entire fleet.

Strategic Otay Mesa Location

Situated in San Diego's industrial heart, our shop at 9900 Via de la Amistad provides convenient access for truck owners and fleet operators throughout the Southern California region, minimizing your downtime.

Ready for reliable, specialized service? Contact us directly.