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Home >> Kia >> 2023 >> Sorento X-Line EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System Diagnosis - 2.5L (VIN C) (1 Of 14) (Except HEV)) >> DTC P0088-00: Fuel Rail/System Pressure - Too High >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Performance monitoring
  • Poor connection
  • Short to power of RPS signal circuit
  • Restricted fuel return line
  • Damaged RPS
  • Damaged FPCV
Enable Conditions Case1
  • Fuel flow setting value is between 4 and 136mg/stroke
  • Difference of fuel flow setting value is between -25 and 25mg/stroke
Case2
  • Engine speed is between 512 and 7008 RPM
  • Engine speed is greater than 768 to 960 RPM after engine "ON"
Threshold Value Case1
  • Fuel rail and system pressure too high
  • Fuel trim controller is between -50 and 50%
Case2
  • Filtered fuel pressure is greater than 33000 kPa
Diagnostic Time Case1
  • 8s
Case2
  • 2s
MIL ON Condition
  • 2 driving cycle