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Home >> Kia >> 2024 >> Telluride EX X-Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (04 Of 13) >> 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
  • Plausibility check
  • Poor connection
  • Rail pressure sensor
  • ECM
Enable Condition
  • No additional warm up fueling (ECT is greater than 73°C (163.4°F))
  • Full load is not active (Gas pedal value is lower than 90%)
  • Catalyst purge is not active
  • Fuel trim is active
  • Catalyst overheating prevention is not active (Catalyst model temperature is lower than 960°C (1760°F))
  • Leak detection is not active
  • Catalyst heating is finished
  • Engine speed is between 512 RPM and 4000 RPM
  • Mass fuel flow is between 0.012g/revolutions and 0.18g/revolutions
  • Time after start is more than 15s
  • Volume of fuel flow is less than 14.5 to 216 (l/h)
  • Canister load is lower than 1.5
Threshold Value
  • The average value from rail pressure sensor is out of range of threshold value (inappropriately high or low)
Diagnostic Time
  • 8s
MIL ON Condition
  • 2 driving cycles