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What is an ECU?

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The electronic control unit (ECU) used in today’s cars and trucks is used to control the engine and other components’ functions. An ECU is a computer with internal pre-programmed and programmable computer chips that is not much different from a home computer or laptop. read more

An engine control unit (ECU), also commonly called an engine control module (ECM), is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance. read more

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How It Works: The Basics of ECU Tuning | RideApart
Source: rideapart.com

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