Virtually every modern-day engine in autos and light office motor vehicles features an electronic control system (or ECU for brief), additionally called an engine administration computer. This specialized as well as complicated device consists of a variety of computer system chips and also basically regulates the operating of the engine. It is hooked up to numerous sensors that discover basic aspects such as temperature (both in the engine as well as on the surface), rate and also exhaust gas structure. In a lot more advanced units, that are becoming increasingly usual, lots of other problems are thought about. The ECU then handlings different engine functions, largely gas injection, ignition timing and increase stress if a turbocharger is fitted. The objective is obviously to guarantee smooth running, optimal gas intake and also efficiency, and minimal exhaust gas emissions.
This is all governed by one major chip, which has what is called an engine 'map'. This map 'reads' all the inputs from sensors and also is set to give the ideal setups under a vast array of conditions. Nonetheless, excellence is difficult to attain typically, as a number of concessions have to be made. Largely this is because of economic situations of scale. Producers have to create automobiles for a variety of markets where concerns such as gas high quality could have a result. As many vehicles used in Europe could be driven right into neighbouring nations with poorer gases offered, or will be made use of in severe settings where dust and severe elevations are common, the engine management map is a 'wide brush' method to take all this into consideration.