Fault Codes:
Hyundai HX220 NL EPFC 452（157-4）
Fault Description:
Injector metering rail 1 pressure sensor circuit - Voltage below normal, or shorted to low source. Low signal voltage detected at the rail fuel pressure sensor circuit The voltage is too low or there is a short circuit to the low power supply. A low signal voltage was detected in the rail pressure sensor circuit
Fault Location:
Power and/or speed derate.
