engine control unit

[ˈɛndʒɪn kənˈtroʊl ˈjunɪt]
nounpl: engine control units
unidade de controle do motor
1. An electronic control module that manages various engine functions including fuel injection, ignition timing, and emission control in modern vehicles
The engine control unit continuously monitors sensor data to optimize engine performance.
A unidade de controle do motor monitora continuamente os dados dos sensores para otimizar o desempenho do motor.
2. A computer system that regulates the operation of an internal combustion engine
When the check engine light comes on, it usually means the engine control unit has detected a problem.
Quando a luz de verificação do motor acende, geralmente significa que a unidade de controle do motor detectou um problema.
The term 'engine control unit' or its abbreviation 'ECU' is universally understood in the automotive industry across both Brazil and the USA. In Brazil, mechanics and technicians commonly use the English abbreviation 'ECU' alongside the Portuguese term. This reflects Brazil's adoption of international automotive technology standards and the prevalence of English terminology in technical automotive fields.
Synonyms / Sinônimos
ECUengine control moduleECMpowertrain control modulePCM

Regional Variations

General Brazilian
unidade de controle do motor
Standard term used across Brazil
Brazil (technical)
ECU
Commonly used abbreviation in automotive industry
Portugal
unidade de comando do motor
Alternative Portuguese term used in European Portuguese
Portugal (technical)
módulo de controlo do motor
European Portuguese variant using 'controlo'

Related Words

sensorfuel injectionignition timingemission controldiagnostic codeonboard diagnostics

Related Idioms & Phrases

the engine control unit is acting up
reprogram the engine control unit
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