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Home >> Kia >> 2017 >> Niro EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 6) >> DTC P0091-00: Fuel Pressure Regulator 1 Control - Circuit Low >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring the circuit
  • Short to ground in Fuel Pressure Regulator Control Circuit
  • Faulty Fuel Pressure Regulator
Enable Conditions
  • Battery voltage higher than 10.5V and lower than 16V
Threshold Value
  • Short to ground in circuit
Diagnostic Time
  • Continuous inspection
MIL ON Condition
  • 2 driving cycles
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