Power steering gearbox is one of the most important components in modern automobiles. Most common type of steering gearboxes is rack and pinion and worm gear. Rack and pinion system is very simple. These operates while using the gears to turn the rotation of the steering wheel into the sideways motion of a tube that connects the two front wheels. The advantage of worm gears is its strength of their construction. Hydraulics is used to support the movement of the steering wheel. It is build up on the engine fluid pressure and once the driver turns the steering wheel, pressure is released and used to help turn the steering system. An electric pump may be also used to reduce the force required to the wheels.
O2 sensor is a component which is located in the exhaust pipe in a vehicle. It detects the fuel and mixture and measures the proportion of oxygen in the gas. It is a chemical generator. It compares oxygen level inside the exhaust diverse and in the atmosphere and gives the necessary information to the controlling device or engine computer which regulates the amount of fuel entering the engine. It helps you to drive with fuel efficiency. The construction of O2 sensor depends on the model, usage and condition of the vehicle. It can be constructed in heated or unheated form depending upon the condition of the vehicle.
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