| Contemporary spark-ignited combustion engines utilize | | | | as Nitrogen oxide which occurs when the fuel |
| the oxygen sensor technology, in addition to another | | | | mixture contains too much air thus causing the |
| device that is also used to reduce the level of toxins | | | | temperature in the combustion chamber to surpass |
| that is emitted from an internal combustion engine; | | | | 1300 Kelvin. This is also known as a lean mixture. |
| this was known as the catalytic converter. | | | | It is recommended that regular checks be made on |
| ECU which is the abbreviation for Engine Control Unit | | | | your o2 sensors to gather whether or not they need |
| or PCM which is abbreviation for power-train control | | | | replacing as a o2 sensor failure could prove to be |
| module is a computer programme for automobile that | | | | indirectly expensive, whether the failure of your |
| supervises the timing of the ignition, the amount of | | | | oxygen sensor is caused by normal wear and tear, |
| fuel and other factors that is essential for an internal | | | | the use of certain fuels that contain lead or may be |
| combustion engine to operate. It collects data on | | | | tainted with silicone, the fact is a faulty o2 sensor |
| oxygen concentration and then makes adjustments | | | | could eventually cause damage to your vehicles |
| to the quantity of fuel that is injected into the engine | | | | catalytic converter and other damages that may be |
| to balance the level of air and fuel. | | | | expensive to repair. |
| The purpose of the ECU is to sustain a certain AFR | | | | Another recommendation is to not interfere with or |
| by decrypting the data it collects from the oxygen | | | | adjust the signal of the oxygen sensor that is sent |
| sensor. The stoichiometry equation which is the | | | | to the ECU as that could cause damages to your |
| computation of components in a chemical reaction is | | | | automobile and also increase the emissions from your |
| a similar calculation to the AFR that is gained by the | | | | vehicle. You may think that a tweak here and there |
| use of the oxygen sensors, wherein a concession is | | | | will give your engine and in turn your car, more |
| established among the fuel economy, the power and | | | | power, but that is not necessarily the case. Even |
| the emissions. | | | | though your adjustment may cause the engine to run |
| Internal combustion engines, especially those that use | | | | slightly lean and therefore providing you with a slight |
| petrol are apprehensive of three types of emissions | | | | increase in power and increasing your fuel economy, |
| contemporary systems: these are; hydrocarbon | | | | you have also increased your nitrogen oxide |
| which is the gas released when the fuel is not burnt | | | | emissions and the extra power will soon cause |
| totally, this can occur when a piston misfires or the | | | | misfires which will further cause an immense loss in |
| mixture is rich, carbon monoxide which may happen if | | | | same power, below your initial power point. |
| the mixture is somewhat rich, and NOx also known | | | | |