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Home >> Kia >> 2019 >> Rio LX >> 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
  • Electrical check
  • Poor connector connection
  • Short to ground in control circuit
  • FPCV
Enable Conditions
  • Battery is at between 10.5V and 16V
Threshold Value
  • Short circuit to Ground (ECU power stage diagnosis)
Diagnostic Time
  • Continuous
MIL ON Condition
  • 3 driving cycles
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