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Home >> Kia >> 2011 >> Optima LX, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) - 2.4L >> DTC P0090: Fuel Pressure Regulator 1 Control Circuit Open >> General Information >> DTC Detecting Condition
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General Information: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • Electrical Check
  1. Poor connection or broken wires
  2. FPR (Fuel Pressure Regulator)
Enable Conditions
  • Battery Voltage: 10V~16V
  • Engine Speed: 0
Threshold Value
  • FPR Control: 2.2V-2.8V
Diagnostic Time
  • 0.8 Second
Mil On Condition
  • 2 Drive Cycles
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