Modern vehicles can contain around 100 Electronic Control Units (ECUs). An ECU is a minicomputer that collects data and determines whether to activate a function based on the information received.

Unless we're talking about the '68 Ranchero that your Uncle Hank lives out of, every car needs some sort of ECU (engine control unit) to tell each of its engine ...

The Electronic Control Unit (ECU) is often referred to as the “brain” of your car. It manages essential systems, including ...

So, what is an ECU anyway? A motorcycle’s ECU, short for the engine control unit, will sometimes be referred to as an ECM, or engine control module. So, what exactly is your bike’s ECU? The ECU is a ...

What is an electronic control unit (ECU)? An electronic control unit is a device responsible for overseeing, regulating and altering the operation of a car's electronic systems.

In short, fuel trim describes the adjustments that a vehicle’s engine control unit (ECU) makes to the fuel delivery system to keep the air-fuel mixture as close to its ideal ratios as possible.