Electronic motor vehicle tuning devices for increasing engine performance; automotive testing equipment, namely a portable computer for testing of vehicle performance; electronic apparatus for a motor vehicle, namely apparatus for re-tuning a vehicle's various computers, including engine, transmission, braking, and suspension computers, to improve performance; apparatus for reading and clearing of vehicle diagnostics codes; apparatus for testing and recording engine performance; apparatus for vehicle data recording; and apparatus for displaying vehicle data
Electrical and Scientific Apparatus