Rolls Royce Oxygen Sensors

Fuel efficiency is determined by several factors that can be monitored and controlled. These factors include fuel/air mixture, back pressure, ignition timing and temperature. Among these factors, the fuel/air mixture is the most crucial. Every engine has an ideal ratio for fuel/air mixture. An imbalance in this ratio will result in the inefficiency of the fuel combustion. This will result in either lean or rich mixture. Lean mixture refers to the excess air that can result in the production of nitrogen oxide pollutants. On the other hand, if there is excess fuel present, the result is what is refereed to as rich mixture. Rich mixture is equally detrimental as lean mixture. Rich mixture results in the incomplete combustion of fuel, which produces hydrocarbon pollutants. The residue from this incomplete combustion may also lead to the deterioration of the engine components. The Rolls Royce oxygen sensor is one effective means of maintaining the ideal fuel/air ratio of the engine.

In a Rolls Royce vehicle, the fuel/air ratio is perpetually monitored by Rolls Royce oxygen sensor. This oxygen sensor assures the optimal performance of the engine. The oxygen sensor is located embedded on the exhaust manifold of the engine block. Typically the ideal fuel/air ratio in an automobile engine is 1:14.7. This means that for every one part about fourteen parts of air is needed to efficiently burn the fuel. The role of the oxygen sensor is to continually monitor the proportion of fuel and air presence in the exhaust that exits the engine. The data from the oxygen sensor is sent to the on board computer. The computer then interprets the data and makes appropriate adjustments such as modifying the air intake or adjusting the fuel injection. The ignition timing may also be adjusted. The functional component of the oxygen sensor is the probe that is comprised of zirconium ceramic bulb coated with a thin layer of platinum. The amount of oxygen present in the exhaust is determined by the amount of electrical charge that the probe produces.

The electrical charge that the oxygen sensor produces has a corresponding interpretation that is determined by the on board computer. The zirconium element reacts with the oxygen. The reaction produces electrical charge that is sent to the computer. Exceeding or going below the ideal fuel/air ratio will then prompt the computer to send commands to the air intake and fuel injection components to make appropriate adjustments.

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