Categories: 3-letter acronym disambiguations The European Currency Unit (₠; ECU) was a basket of the currencies of the European Community member states, used as the unit of account of the European Community, before being replaced by the euro. ... An electronic control unit (ECU) (also known as an engine management system) is an electronic device, basically a computer, in an internal combustion engine that reads several sensors in the engine and uses the information to control the fuel injection and ignition systems of the engine. ... An Engine Control Unit (ECU) (also known as an engine management system) is an electronic device, basically a computer, in an internal combustion engine that reads several sensors in the engine and uses the information to control the fuel injection and ignition systems of the engine. ... East Carolina University (ECU) is a public university located in Greenville, North Carolina. ... Edith Cowan University (ECU) is located in Perth, Western Australia. ... In film, a close-up is a shot that is closely zoomed in on a person or object. ... The TLA (three-letter acronym or three-letter abbreviation) is the most popular type of abbreviation in technical terminology, and is also very common in general language. ...