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Home >> Genesis >> 2019 >> G70 3.3T Dynamic, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Control System Diagnosis - 2.0L (1 Of 4)) >> DTC P0191-00: 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
Main Action
  • Plausibility Check
  1. Fuel Pressure Sensor Circuit
  2. Fuel Pressure Sensor (FPS)
Prerequisite condition
  • Engine speed is between 512 rpm and 4000 rpm.
  • Mass fuel flow is between 0.008g/rev and 0.12g/rev.
  • Elapsed time after starting is longer than 15 seconds.
  • Volume fuel flow is lower than 7.6 l/h to 102 l/h.
  • Canister load is lower than 0.5.
Threshold Value Case 1
  • Fuel pressure is inappropriately high.
  • Fuel trim controller including long term fuel trim is higher than 25%.
Case 2
  • Fuel pressure is inappropriately low.
  • Fuel trim controller including long term fuel trim is lower than -20%.
Diagnosis Time
  • 8 Seconds
Mil On Condition
  • 3 Driving Cycles