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HOMESERVICE MANUALSKIA2015OPTIMA SX TURBOREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 107 (ENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 3) - 2.4L (EXCEPT HEV))DTC P0455: EVAPORATIVE EMISSION SYSTEM-LEAK DETECTED (LARGE LEAK)DTC INFORMATIONDTC DETECTING CONDITION
2015 Kia Optima SX Turbo

DTC Information: DTC Detecting Condition

2015 Kia Optima SX TurboSECTION DTC Detecting Condition
WARNING: This page is about a different variant/trim than selected.
DTC DETECTING CONDITION

Item Detecting Condition & Fail Safe Possible Cause
DTC Strategy
  • Check fuel tank under pressure during evacuation
  1. Fuel filler cap damage or missing
  2. Faulty or damaged fuel filler pipe
  3. Leaking, disconnected or plugged fuel vapor lines
  4. Faulty CCV
  5. Faulty PCSV
  6. Faulty Canister
  7. Faulty Fuel Tank Pressure Sensor (FTPS)
Enable Conditions
  • Coolant temperature > 50°C (122°F)
  • Ambient air temperature model > -10°C (14°F)
  • Vehicle speed < 10km/h (6 mph)
  • Time after start > 100 Seconds
  • Limited Canister saturation
  • Estimated altitude < 2.4km (8000 ft)
  • Canister load < 0.25
  • Minimum canister purge time: 3~25 Seconds
  • -1100 Pa < Differential fuel tank Pressure < 400 Pa
  • Idle speed engine operating state
  • No relevant failure
  • 11V < Battery voltage < 16V
Threshold Value case 1
  • Time to generate under pressure (<-15hPa) > 20 Seconds (too long)
case 2
  • Time for DTP to decrease from -300 Pa (-3 hPa) to -700 Pa (-7 hPa) during Evacuation > 10 Seconds
Diagnostic Time case 1
  • 25 Seconds in Idle when all Enable Conditions fulfilled
case 2
  • 15 Seconds in Idle when all Enable Conditions fulfilled
Mil On Condition
  • 2 Drive Cycles
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.