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Home › Kia › 2017 › Cadenza Technology › 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 monitoring
  1. Fuel pressure control valve associated wiring contact defect
  2. Fuel pressure control valve circuit short to ground
Enable Conditions
  • Battery voltage higher than 10V and lower than 16V
Threshold Value
  • Control circuit is short to ground
Diagnostic Time
  • Continuous inspection
MIL ON Condition
  • 2 driving cycles
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