ECU Programming & Fuel Injection Services – St. Charles County, MO

Automotive Module Programming for Cars, Trucks & Fleets in St. Charles County

Your Automotive Programming & Fuel Injection Experts. Trusted Service Near Historic Downtown St. Charles & Missouri Riverfront.

Design Technology Inc. offers expert ECU programming, module flashing, and fuel injection services in St. Charles County, MO. We bring dealer-level automotive technology directly to you, saving time and improving performance. Whether you’re visiting the Missouri Riverfront, exploring historic downtown St. Charles, or commuting along I-70, we ensure your vehicle is programmed and tuned with precision. Our certified technicians are trusted by local drivers for fast, accurate diagnostics and engine optimization.

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Specialized Automotive Services


Proudly serving St. Charles County, Missouri in the following areas:



Augusta, Cottleville, Dardenne Prairie, Flint Hill, Foristell, Josephville, Lake St. Louis, New Melle, O'Fallon, Portage Des Sioux, St. Charles, St. Paul, St. Peters, Weldon Spring, Weldon Spring Heights, Wentzville, West Alton


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