Fault Codes:Hyundai HX220 NL EPFC 755（157-7）
Fault Description:
Injector metering rail 1 pressure -Mechanical system not responding or out of adjustment. The ECM has detected a difference in the 2 fuel rail pressure signals. Abnormal pressure of the fuel injector gauge 1 - failure or imbalance of the mechanical system response. The engine control module detected a difference in the pressure signals of the two fuel rails
Fault Location:
Possible reduced engine performance. It may lead to a decrease in engine power
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