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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Engine Control System Diagnosis - 2.0L (1 Of 3) (Except HEV)) >> DTC P0091: Fuel Pressure Regulator 1 Control Circuit Low >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Check
  1. Short to ground in circuit
  2. Fuel Pressure Regulator (FPR)
Enable Conditions
  • Battery voltage is between 10 V and 16 V
Threshold Value
  • Control Circuit shorts to ground
Diagnostic Time
  • Continuous
Mil On Condition
  • 2 Driving Cycles
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