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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 34 (Engine Control System Diagnosis - 1.6L (1 Of 3) (Except HEV)) >> DTC P0089: Fuel Pressure Regulator 1 Performance >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Rationality check
  1. Overflow of fuel return
  2. Fuel pressure sensor
Enable Conditions
  • 3 minutes later after engine start
Threshold Value
  • Rail pressure controller is higher than 2.3 Mpa or Rail pressure controller is lower than -2.3 Mpa
Diagnostic Time
  • 5 sec.
MIL ON Condition
  • 2 driving cycle
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