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Home >> Kia >> 2023 >> Sorento X-Line EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System Diagnosis - 2.5L (VIN C) (3 Of 14) (Except HEV)) >> DTC P0191-84: Fuel Rail Pressure Sensor Circuit Range/Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check
  • Poor connector connection
  • RPS
  • Abnormal fuel pressure
  • No fuel or fuel leakage
Enable Conditions
  • GDI fuel injection activation status
  • Engine speed is higher than 768 RPM at engine start
  • Difference of target fuel pressure is below 800 kPa
  • Engine speed is between 512 and 4000 RPM
  • Fuel volume set is between 4 and 604mg/stroke
  • Difference of fuel volume set is between -25 and 25mg/stroke
Threshold Value
  • Long term fuel trim control value is more than 20%
  • Fuel pressure control value is below-0.013mL
Diagnostic Time
  • 5s
MIL ON Condition
  • 2 driving cycle
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