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Apr 16, 2024 · As the technology advanced, computerized engine-management systems became the norm in the 1980s, bringing in features like anti-lock braking and traction control. Between Bosch's Jetronic EFI system in 1968 and Ford's EEC system in the 1978 Lincoln Versailles, car computers were on the rise.
In 1968, Volkswagen released the first car with an engine computer as part of the Bosch D-Jetronic electronic fuel injection (EFI) system. Emission control regulations drove manufacturers to develop engine computers.
An engine control unit (ECU), also called an engine control module (ECM), [1] is a device which controls multiple systems of an internal combustion engine in a single unit. Systems commonly controlled by an ECU include the fuel injection and ignition systems.
Mar 24, 2017 · The Electronic Control System (EMS), an electronically controlled unit which operates a car’s engine, began to use an ECU around 30 years ago.
For automakers to achieve these requirements, the engine control module (ECM) began making its way into vehicles by the late 1970s. By 1981, both ECMs and catalytic converters became critical to comply with stringent vehicle emissions regulations set by the Environmental Protection Agency (EPA).
The engine control module basically controls the intersection of the engine's necessary ingredients to make energy — fuel, air and spark. What does the engine control module do? It constantly monitors a vast network of sensors around the car to ensure conditions are within normal operating range.
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Apr 11, 2017 · Nowadays, we take computerized engine controls for granted, but it wasn’t too terribly long ago that vehicle engines were entirely mechanical devices — everything was done with good old-fashioned moving parts.
