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How do I check the engine control unit?

  The engine controller, also known as the engine control unit (ECU), is a key component in modern vehicles. It is responsible for monitoring and controlling many aspects of engine operation, such as the air-to-fuel ratio, ignition and combustion efficiency. Find out what the main functions of this component are and how to recognise that it needs replacing.   What is an engine ...

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Defective gearbox control unit – causes, consequences and solutions

A transmission control unit (TCU), also known as a gearbox electronic control unit (ECU), plays a key role in managing the process of shifting gears in automatic transmission vehicles. It is a sophisticated electronic device that receives data from various sensors in the vehicle, analyses driving conditions and engine load, and makes gear-shifting decisions based thereon. Modern transmission ...

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