What does P2294 Fuel Pressure Regulator 2 refer to?
1 Answers
P2294 Fuel Pressure Regulator 2 refers to the control circuit of Fuel Pressure Regulator 2. The fuel pressure regulator is a spring-loaded valve that returns excess fuel to the fuel tank to maintain constant pressure in the fuel line. The fuel pressure regulator has a vacuum tube connected to the intake manifold, which provides fuel pressure under different engine operating conditions. The function of the fuel pressure regulator is to ensure normal fuel pressure in the vehicle's fuel system. The fuel pressure regulator is one of the components of the fuel injection system in electronically controlled fuel-injected vehicles. Inside the pressure regulator, there is a diaphragm that controls the opening and closing of the pressure valve. The working principle of the fuel pressure regulator is as follows: the fuel pressure is coordinated by the spring and the vacuum in the chamber. When the fuel pressure exceeds the standard value, high-pressure fuel pushes the diaphragm upward, opening the ball valve, and excess fuel flows back to the tank through the return line. When the pressure is lower than the standard value, the spring pushes the diaphragm downward to close the ball valve, stopping the return flow.