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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 108 (Engine Control System Diagnosis - 1.6L (2 Of 3) - Optima (Except HEV)) >> DTC P0449: Evaporative Emission System-Vent Valve/Solenoid Circuit >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible Cause
DTC Strategy
  • Canister Closed Valve (CCV) Stuck Closed
  1. Poor connection
  2. Damaged Wiring
  3. CCV
Enable Conditions
  • CCV Open
  • Purge Control Solenoid Valve (PCSV) Close
  • Common conditions for evap. system monitoring
Threshold Value
  • Fuel Tank Pressure (FTP) less than -2200Pa (-0.31psi/-0.022bar)
Diagnostic Time
  • 15s
Mil On Condition
  • 3 driving cycles
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