Basically every modern-day engine in vehicles and also light commercial motor vehicles includes an electronic command unit (or ECU for short), alternatively referred to as an engine management computer system. This specialised as well as complex system contains a variety of integrated circuit as well as essentially controls the operating of the engine. It is hooked up to numerous sensors that sense standard elements such as temperature (both in the engine and externally), rate as well as exhaust gas structure. In a lot more advanced devices, that are ending up being progressively usual, several other conditions are taken note of. The ECU then controls various engine features, mostly gas shot, ignition timing and also improvement stress if a turbocharger is fitted. The purpose is clearly to ensure smooth operating, ideal fuel consumption and also efficiency, and very little exhaust gas discharges.
The outcomes usually create improved fuel intake and also performance, as well as better overall running, without unfavorable effects on integrity and usually with reduced general exhaust emissions. This is specifically the case within the UK as well as the EC, where energy taste is established by regulations, permitting far more exact administration settings. Whereas the original market for engine remapping was centred practically completely on vehicle drivers thinking about removing the optimum efficiency, and also commonly with boosted energy consumption, today's purchasers have the tendency to be much more diverse as well as a big percentage are much more concerned (understandably) concerning increasing economy. Remapping is not the preserve of boy racers, however is significantly being used by fleet managers in order to make in some cases massive overall financial savings on fuel costs.