1. A vehicle analyzer and tutorial system comprising: an engine pod adapted to sense and control operation of an engine of a test vehicle; an engine fault detection analyzer and display unit coupled to the pod through a first radio frequency interface, said engine fault detection analyzer having provisions for local control by a local technician and remote control from a technical center and provisions for transferring a copy of each screen appearing on the display to the technical center; a remote controller and display unit at the technical center, operably interconnected with the engine analyzer and display unit through a communication interface comprising one of a radio frequency interface, a cellular interface and a telephone interface, for remotely monitoring the engine analyzer display, for displaying the copy of each screen and for optionally controlling the engine analyzer; and a satellite downlink disposed between the remote controller and display unit at the technical center and a plurality of the engine fault detection analyzer and display units, such downlink adapted for tutoring a plurality of operators of the plurality of engine fault detection analyzer and display units by an operator at the technical center.