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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 95 (Engine Control System Diagnosis - 1.6L (1 Of 3) - Optima (Except HEV)) >> DTC P0089: Fuel Pressure Regulator 1 Performance >> 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
  • Max or Min error of Rationality check
  1. FPR (Fuel Pressure Regulator)
  2. Low power supply to Fuel Pressure Sensor
Enable Conditions
  • 3s after engine start
Threshold Value
  • Min - Rail pressure controller is greater than 2.3MPa (23bar/333.58psi)
  • Max - Rail pressure controller is less than 2.3MPa (23bar/333.58psi)
Diagnostic Time
  • 5s
MIL ON Condition
  • 3 driving cycles
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