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Home >> Genesis >> 2019 >> G70 2.0T Dynamic, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (1 Of 4) >> DTC P0090-00: Fuel Pressure Regulator 1 Control Circuit/Open >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
Main Action
  • Electrical Check
  1. Poor connection or broken wires
  2. Fuel Pressure Regulator (FPR)
Prerequisite condition
  • Engine speed is lower than 4000 rpm
  • Battery voltage is between 10V and 16V
Threshold Value
  • Regulator control circuit is open.
  • Voltage at low side output pin is higher than 3.26V and lower than 1.9V.
Diagnostic Time
  • Continuously
Mil On Condition
  • 3rd Driving Cycle
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