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At California Diesel Electromechanical Engineering (CDEE), we specialize in expert diesel engine repair services in California’s Central Corridor, including Modesto, Gilroy, and along Hwy 99 and Hwy 152. Whether you’re facing power loss, engine knocking, overheating, or rough idling, our certified technicians get to the root cause—not just the symptoms. We offer both in-frame and out-of-frame engine rebuilds, using high-quality OEM or aftermarket parts based on your needs and budget. From turbochargers and injectors to fuel systems and head gaskets, we diagnose and repair everything with precision. Our goal is to not just restore your rig—but to maximize performance and fuel efficiency for the long haul. Whether you’re an owner-operator or managing a large fleet, our diesel engine diagnostics and repair service in California will keep you moving forward without costly downtime.

Our professionals know how to handle a wide range of car services. Whether you drive a passenger car or medium sized truck or SUV, our mechanics strive to ensure that your vehicle will be performing at its best.

At California Diesel Electromechanical Engineering, we don’t just fix trucks — we restore performance. With fast response times, certified diagnostics, and a focus on long-term reliability, CDEE is the trusted name along Hwy 99 and Hwy 152 for commercial diesel repair.

•  Rapid Response Across California’s Freight Routes
•  Certified Technicians & Deep Diagnostics
•  Fleet-Focused, Performance-Driven Service