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Where is the fuel pressure regulator of Audi A6 located?

1 Answers

DelEverly

07/30/25 2:59am

Audi A6 fuel pressure regulator is located at one end of the fuel distribution pipe, which can adjust the fuel pressure within the range of 250-350kPa. Introduction to fuel pressure regulator: The fuel pressure regulator is one of the common components of the fuel injection system in electronically controlled fuel injection vehicles. It can regulate the fuel pressure of the fuel supply system, keeping the difference between the system oil pressure and the intake manifold pressure constant; at the same time, it can also buffer the pressure pulsation generated when the fuel pump supplies fuel and the pressure fluctuations caused by intermittent fuel injection of the injector. Composition of fuel pressure regulator: The automotive fuel pressure regulator mainly consists of a spring, valve body, valve, and aluminum alloy shell. The valve body is fixed on the metal diaphragm, and a ball valve is installed between the valve body and the valve. The ball valve is lifted by a spring plate, and a spring with relatively small elasticity is set between the ball valve and the valve body to keep the ball valve in contact with the valve. On the aluminum alloy shell, there are oil pipe joints and vacuum pipe joints. The inlet joint is connected to the fuel distribution pipe, the return oil joint is connected to the return pipe and communicates with the fuel tank, and the vacuum pipe joint is connected to the vacuum pipe between the throttle and the intake manifold.

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