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Home >> Hyundai >> 2016 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (PHEV) (1 Of 3) >> DTC P0090: Fuel Pressure Regulator 1 Control Circuit/Open >> DTC Information >> DTC Detecting Condition
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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Check
  1. Poor connection or broken wires
  2. Fuel Pressure Regulator (FPR)
Enable Conditions
  • Battery voltage is between 10V and 16V
  • Engine speed is lower than 4000 RPM
Threshold Value
  • Open circuit
Diagnostic Time
  • Continuous
Mil On Condition
  • 2 Driving Cycles
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