Auto-Tek: Providing Mobile Diagnostics and Repair Specialising in:Fuel Injection, Airbags, Engine Management Systems, A.B.S. Systems. In Bedfordshire and the surrounding areasWith 35 years of diagnostic experience if your vehicle has a fault we're the company to fix it. We use the latest technology and the same equipment and software as the dealers, so you know your car is getting the best diagnosis possible.