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Home >> Kia >> 2014 >> Optima EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) - 2.4L (Except HEV) >> DTC P0090: Fuel Pressure Regulator 1 Control Circuit/Open >> Specification >> Specification

DTC P0090: Fuel Pressure Regulator 1 Control Circuit/Open: Specification: Specification

FUEL PRESSURE REFERENCE TABLE

RPM IDLE 1, 500 6, 300 Fault
Fuel Pressure (psi)  580 1305~1450 1958 65
Fuel pressure (bar)  40 90~100 135 4.5