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What is the fault of the fuel pressure sensor B circuit range performance in the Ford Kuga?

1 Answers

LeHenry

07/24/25 6:59pm

Fuel pressure sensor B circuit range performance refers to a fault in the low-pressure fuel pressure sensor. The following is an introduction to the low-pressure fuel pressure sensor fault: 1. Principle: The low-pressure fuel is supplied by the guiding connection device of the high-pressure pump, and the fuel then enters the low-pressure fuel rail. Both the high-pressure and low-pressure fuel rails are equipped with high-pressure fuel pressure sensors and low-pressure fuel pressure sensors respectively. The engine control unit adjusts the pressure of the high and low-pressure fuel systems based on these two signals. 2. Function: The engine control unit uses this signal to control the low-pressure fuel system. The engine control unit sends a signal to the fuel pump control unit according to the sensor signal, allowing it to adjust the electronic fuel pump on demand based on this signal. Impact of signal failure: If the fuel pressure sensor fails, the fuel pressure pre-regulation replaces the fuel pressure regulation. The fuel pressure is approximately 6.5 bar.

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