Vehicle Techology Center

We've been training automotive technicians since 1987. Your customers depend on your techs being up to speed on the latest in automotive technology. Trust their training to us!

Fuel Injector Service

Fuel injectors are one of the most important parts on your engine, but they're often overlooked. We excel in fuel injection systems and have the equipment to do the job right!

Vehicle Diagnostics

We proudly sell some of the best diagnostic tools around, but sometimes that's not enough. If you're still stuck determining what the problem is, we offer both in-house and mobile diagnsotic services.

About Design Technology Inc. (DTI)

As owner of DTI, Lou Craven has provided automotive technology training and mobile diagnostics with an emphasis on engine, fuel system, and on-board computer performance technology. He's best known for his ability to provide quick analysis on “all things” vehicle technology related. Lou's vast knowledge of inter-related system faults has benefited many shop owners and aided in complete diagnosis of problematic vehicles.

DTI offers a wide range of services and products — technician training, mobile diagnosis, mobile vehicle programming for ECM’s, BCM’s, Keys and Immobilizers as well as other support modules for most vehicle types.

DTI offers “in-house” services for both fuel injector cleaning and “On-Dyno” based diagnostics. Learn more about our fuel injection cleaning services here.

DTI also provides specialized automotive diagnostic tool and equipment sales such as OE-level scan tools, PC-based Pico Oscilloscopes, Fuel System Analyzers, and a wide variety of diesel engine service tools.

Our Mission

The goal of DTI is to provide shops and technicians with the latest in automotive technology through diagnostic tools, on site services and support.

Where are we?

Design Technology Inc. is located in St. Peters, MO, with close access to St. Louis, St. Charles, and Jefferson counties in Missouri as well as western cities in Illinois and most areas in the Midwest.