1001 Space Earth Nature History Human World Science and Technology Chemistry Materials Force and Energy Heat and Light Electricity and Magnetism Industry Machines Electronics and Computers Cars and Trucks Railways Ships Aircraft Fishing and Agriculture Undersea Exploration	What is an engine management system? An engine management system uses a microcomputer to control the performance of a car. It measures temperature, pressure, composition of the exhaust gases, and engine speed, and adjusts the engine if necessary. A Ferrari F40   Previous: Back Book: 1001 Section: Science and Technology Chapter: Cars and Trucks