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Home >> Kia >> 2017 >> Cadenza Technology >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 6) >> DTC P0191-00: Fuel Rail Pressure Sensor Circuit Range/Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring sensor performance
  1. Poor Connector Connection
  2. Rail pressure sensor
  3. ECM
Enable Conditions
  • No additional fuel supply for warm-up (ECT is over 73°C (163.4°F))
  • Full load is Inactivated (Accelerate pedal is below 90%)
  • Catalyst purge is Inactivated
  • Fuel trim is activated
  • Prevention of catalyst overheating is inactivated (Catalyst model temperature is below 960°C (1, 760°F))
  • Leakage detection is inactivated
  • Catalyst heating is finish
  • Engine speed is higher than 512RPM and lower than 4000RPM
  • Intake air volume is higher than 0.012g/rev and lower than 0.18g/rev
  • Above 15s after engine "ON"
  • Fuel supply is more than 25 and less than 165 (L/h)
  • Load of canister is below 0.5
Threshold Value Case 1
  • Average of rail pressure higher than specified value
Case 2
  • Average of rail pressure lower than specified value
Diagnostic Time
  • 8s
MIL ON Condition
  • 2 driving cycles