The "E" in ECU sometimes is eletronic and sometimes engine, depending on the sub-field and region of the automotive industry. For engine control (the topic of

The "E" in ECU sometimes is eletronic and sometimes engine, depending on the sub-field and region of the automotive industry. For engine control (the topic of the original article) a general-purpose Os and lots of idle time are unusual. In many cases the most powerful controller available on the market is is filled with software just shy of losing tasks.