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Home >> Hyundai >> 2014 >> Equus Signature >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0089: Fuel Pressure Regulator 1 Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Rationality check
  1. FPR (Fuel Pressure Regulator)
  2. Low power supply to Fuel Pressure Sensor
Enable Conditions
  • 5 sec later after engine start
Threshold value
  • Fuel Pressure is higher than 2Mpa or Fuel Pressure is lower than -2 Mpa
Diagnosis Time
  • 5 sec
MIL On Condition
  • 2 driving cycle
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