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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 29 (Engine Control System Diagnosis (PHEV) (03 Of 10)) >> DTC P0191-00: Fuel Rail Pressure Sensor Circuit Range/Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy Case 1
  • Rationality check, jitter
  • Poor connector connection
  • FPS
  • Abnormal fuel pressure
  • Low or no fuel
Case 2
  • Rationality check, low side (negative offset)
Case 3
  • Rationality check, high side (positive offset)
Enable Conditions Case 1
  • No disabling faults (P019200, P019300)
  • Sensor voltage is higher than 4.72V or sensor voltage is lower than 0.2V
Case 2
  • Multiplicative factor long term fuel trim is less than 0.8%
  • Additive long term fuel trim is less than -7.5%
  • Ignition "ON" before engine start
Case 3
  • Multiplicative factor long term fuel trim is less than 1.2%
  • Additive long term fuel trim is less than 7.5%
  • Soaking time is over 5h
Threshold Value Case 1
  • Counter of repeated sensor voltage jump within 0.5s after previous jump is greater than 2 times
Case 2
  • Rail pressure is lower than 0.13Mpa
Case 3
  • Rail pressure is higher than 1.3Mpa
Diagnostic Time Case 1
  • 1s
Case 2
  • 100 ms (once per driving cycle)
Case 3
  • 100 ms (once per driving cycle)
MIL ON Condition
  • 2 driving cycles