Every newcar , and most cars produce after 1980 , have anoxygen sensing element . The sensor is part of the emissions control organization and feeds data to theengine management computer . The destination of the sensor is to aid the locomotive engine race as expeditiously as possible and also to produce as few emission as potential .
A gas railway locomotive burnsgasolinein the front of oxygen ( seeHow Car Engines Workfor staring details ) . It turn out that there is a particular ratio of zephyr and gasoline that is " unadulterated , " and that ratio is 14.7:1 ( different fuels have different perfect ratio – the ratio depend on the amount of hydrogen and carbon found in a turn over amount of fuel ) . If there is less air than this sodding ratio , then there will be fuel left over after combustion . This is called arichmixture . fat intermixture are spoilt because the unburned fuel make pollution . If there is more air than this arrant proportion , then there is excessoxygen . This is called aleanmixture . A lean mixed bag tends to produce more nitrogen - oxide pollutants , and , in some cases , it can cause short performance and even locomotive engine hurt .
The oxygen detector is positioned in the exhaust pipe and can detect full-bodied and lean admixture . The mechanism in most sensors involves a chemic reaction that generates avoltage(see the patent below for details ) . The engine ’s computer reckon at the electromotive force to determine if the mixture is rich or lean , and adjusts the amount of fuel entering the engine consequently .
The reason why the engine needs the atomic number 8 detector is because the amount of O that the engine can pull in depends on all sorts of things , such as the ALT , the temperature of the atmosphere , the temperature of the locomotive engine , thebarometric pressure , the load on the railway locomotive , etc .
When the atomic number 8 sensing element fails , the computer can no longer feel the melodic line / fuel ratio , so it ends up guessing . Your car perform badly and habituate more fuel than it needs to .
