COMMON RAIL CONSTRUCTION [MZR-CD (RF Turbo)]

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•  The PCM constantly maintains optimum pressure by monitoring the fuel pressure measurement signal from the fuel pressure sensor.
•  As a consideration to safety, a fuel pressure limiter has been installed to mechanically drain fuel if the pressure goes above 221 MPa {2,254 kgf/cm2, 32,050 psi}.
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1
Common rail
2
Fuel pressure limiter
3
Fuel pressure sensor
4
Connector (supply pump side)
5
Connector (fuel injector side)