High pressure fuel pump 12.
Cummins isx fuel rail pressure sensor.
Pressure side fuel filter 5 micron 10.
Besides injector lines this rail also features a return line and pressure relief valve responsible for relieving excessive pressure and a rail pressure sensor that tells the ecm on board computer what pressure is at the rail which can be as high as 30 000 psi and as low as roughly 4 000 psi.
Seized ceramic plunger compared to how it should look normally.
Fault code 559 injector metering rail 1 pressure data valid but below normal operating range moderately severe level.
The engine control module ecm has detected that fuel pressure is lower than commanded pressure.
Fuel pump actuator 13.
High pressure fuel pump inlet 11.
These fuel pressure sensors effectively measure fuel pressure in the fuel rail alerting both the evap system and the fuel system to leaks.
2013 peterbelt 386 isx 15 cummins.
High pressure relief valve and drain 18.
Replacement restores engine performance.
High pressure fuel rail supply 15.
Pressure side fuel filter inlet 9.
Then i run around 500 miles this sign came again when i try to climb at moutain.
Fuel pressure sensor location 17.
This was a close call.