Electronic Engine Controls

Electronic Engine Controls

Vehicles with supercharger

Supercharged:

Vehicles without supercharger

Without Supercharger:

Fuel Rail Pressure (FRP) Sensor
The fuel rail pressure (FRP) sensor is a pressure transducer device. A vacuum pipe connects to the intake manifold for manifold pressure. The ECM receives a voltage from the FRP sensor which is proportional to the fuel pressure in the fuel injection supply manifold.