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Home >> Kia >> 2021 >> K5 GT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5L (2 Of 16) >> DTC P0090-01: Fuel Pressure Regulator 1 Control Circuit/Open >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical inspection
  • Poor connector connection
  • Open circuit
  • FPCV
Enable Conditions
  • Ignition "ON"
Threshold Value
  • Open circuit (output voltage of low side is more than 2.2 to 2.4V or less than 3.2 to 3.5V)
Diagnostic Time
  • Continuously
MIL ON Condition
  • 2 driving cycle
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