Answer :
Final answer:
The fuel rail pressure sensor is a 3 volt sensor that measures the fuel pressure in the rail and sends the information to the engine control unit.
Explanation:
The fuel rail pressure sensor is a 3 volt sensor that mounts at one end of the fuel rail.
This sensor measures the pressure of the fuel in the rail and sends that information to the engine control unit to optimize fuel delivery.
By monitoring the fuel rail pressure, the engine control unit can make adjustments to the fuel injectors to ensure proper fuel flow and performance.
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