Cummins Isx Fuel Rail Pressure Sensor

Pressure side fuel filter inlet 9.

Cummins isx fuel rail pressure sensor. 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. Fault code 559 injector metering rail 1 pressure data valid but below normal operating range moderately severe level. This was a close call. High pressure fuel rail supply 15.

Seized ceramic plunger compared to how it should look normally. Then i run around 500 miles this sign came again when i try to climb at moutain. Replacement restores engine performance. These fuel pressure sensors effectively measure fuel pressure in the fuel rail alerting both the evap system and the fuel system to leaks.

Fuel rail pressure sign. Last time around 2000 miles ago this sign came i went to peterbilt dealer they changed the fuel filter and scr nox temp sensor. High pressure relief valve and drain 18. Pressure side fuel filter 5 micron 10.

Fuel pump actuator 13. Fuel pressure sensor location 17. High pressure fuel pump outlet 14. High pressure fuel pump 12.