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The turbo charger boosts the flow of compressed air and, in turn, increases the flow of fuel into the combustion chamber of the engine, improving the performance of the engine, which effectively enables the car to go faster.  The turbo charger increases the engine's fuel efficiency and provides significantly more power than the engine alone, while helping to reduce CO2 emissions. The turbo charger attaches to the  exhaust and the engine and is driven by a  turbine powered by gas from the exhaust. The exhaust leaves the engine and enters the housing of the turbine which causes the turbine wheel to rotate.  The power of this rotation turns a shaft connected to a compressor, forcing the compressor to spin. As the compressor rotates it sucks in clean air and forces it through into the combustion chamber, providing extra power to the engine. The turbo boost regulator is essentially a valve which functions to control the level of boost produced in the intake manifold of a turbocharged or supercharged engine system, by managing the pressure of the air that is sent to the pneumatic and mechanical wastegate actuator. 

A wastegate is simply a valve that allows exhaust gases to be channelled away from the turbine wheel. The wastegate functions to control the boost pressure, which helps to prevent damage to the turbo charger, the engine and related components. By managing the pressure of the air in the wastegate, the turbo boost regulator can control the amount of boost produced in the intake manifold, forcing the turbo charger to produce a more powerful boost, which results in accelerated engine performance. Essentially changeable boost pressure levels can be achieved in the engine via the turbo boost regulator. 

Usually located below the intake in the turbo, the turbo boost regulator, commonly made from brass or aluminium, can be either electronic or mechanical. Mechanical boost regulators, referred to as gate controllers, can be controlled by the driver, via a switch on the dashboard and will usually have two boost settings. Electronic boost regulators have many more options. Working with a solenoid and/or a stepper motor and the car's ECU, they provide a sophisticated system which operates in conjunction with and is activated by changes in gear, RPM and a range of other factors, such as engine coolant temperature and weather conditions outside, enabling precise adjustments to the boost pressure sent to the engine, while also having the manual control option. The turbo boost regulator manages the level of pressure in the manifold by adjusting the level or amount of pressure that's going through to the wastegate. It does this by allowing an outlet for a changeable amount of pressure, which forces the turbo charger to generate the higher level of boost. The turbo boost regulator ultimately functions to increase engine performance and response. 

Problems with the turbo boost regulator can occur, particularly in the sophisticated electronic systems. A fault in this system will cause the warning light to illuminate on the dashboard. It is advisable to consult with your mechanic to make sure the correct fault has been found before purchasing replacement parts. Designed and manufactured to be compatible with your vehicle, the turbo boost regulator will install easily, perform well and ultimately last longer because it is made specifically for the make and model of your car. The turbo boost regulator has an important part to play in the overall performance of the engine in a supercharged turbocharged engine system, boosting the performance of the engine, enabling it to work as efficiently and effectively as possible.