United Diesel is a locally owned and operated diesel and truck repair shop serving Maryland's commercial transportation industry. With years of hands-on experience, our technicians are trained in diagnosing and repairing all makes and models of diesel engines, including Cummins, Detroit, CAT, and Powerstroke. We pride ourselves on transparency, efficiency, and unmatched workmanship. Whether you need roadside assistance or full engine diagnostics, United Diesel is your trusted partner for keeping your trucks in top condition.
United Diesel is a locally owned and operated diesel and truck repair shop serving Maryland's commercial transportation industry.
- Check Engine Light (CEL) due to faulty sensors (MAF, EGR, DPF)
- Loss of power from turbocharger or fuel injector failure
- Rough idling caused by bad glow plugs or fuel contamination
- Excessive black/white smoke (indicating injector or combustion issues)
- OBD-II Scanning ($79.99+) for error code retrieval
- Injector testing (leak-off test, flow balance)
- Turbocharger inspection (shaft play, boost pressure test)
- EGR/DPF system inspection (clogging, regeneration issues)
