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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 P0087: Fuel Rail/System Pressure - Too Low >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Min error of rail pressure control
  1. Restricted fuel filter
  2. Restricted fuel supply line
  3. Damaged fuel pump assembly
  4. Damaged fuel injection pump
Enable Conditions
  • 3s after engine start
Threshold Value
  • Difference of Target Rail Pressure and Real Rail pressure greater than 1.3MPa (13bar/188.54psi)
Diagnostic Time
  • 5s
MIL ON Condition
  • 3 driving cycles
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