Where is the fuel pump relay located in the Audi A8?
1 Answers
Audi A8's fuel pump relay is located behind the right trim panel in the trunk, and the 167th is the fuel pump relay. The principle of the fuel pump relay: The fuel pump relay is used to control the power supply of the fuel pump. Modern cars generally use direct injection and point injection. Once the fuel supply meets certain requirements, the relay disconnects the fuel pump, thus controlling the fuel pump. The function of the fuel pump relay: It mainly has an amplification effect. With a very small current, it can control a high-power circuit and expand the control range. When the signal reaches a certain value, it can switch, disconnect, or connect multiple circuits according to different forms of contact groups, achieving the function of an automatic switch.