Essentially every contemporary engine in automobiles and also light industrial cars includes an electronic command device (or ECU for brief), conversely understood as an engine management computer system. This specialized and complex device includes a number of computer chips and also essentially regulates the running of the engine. It is connected to various sensors that detect basic elements such as temperature level (both in the engine and on the surface), rate and also exhaust gas composition. In a lot more innovative units, that are becoming significantly usual, lots of other problems are thought about. The ECU after that controls numerous engine functions, mainly gas shot, ignition timing as well as improvement stress if a turbocharger is fitted. The purpose is undoubtedly to make certain smooth operating, optimum fuel consumption and efficiency, and also marginal exhaust gas exhausts.
This is all controlled by one primary chip, which includes exactly what is known as an engine 'map'. This map 'checks out' all the inputs from sensors as well as is configured to give the optimum setups under a variety of conditions. However, perfection is difficult to accomplish in general, as a number of concessions have to be made. Primarily this is due to economies of scale. Manufacturers have to produce automobiles for a variety of markets where concerns such as gas quality could have an impact. As many vehicles made use of in Europe will be driven right into neighbouring countries with poorer gases readily available, or could be utilized in extreme environments where dirt and also extreme elevations prevail, the engine administration map is a 'wide brush' approach to take all this right into factor to consider.