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Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0455: EVAP. Emission System-Leak Detected(Large Leak) >> DTC Detecting Condition

DTC P0455: EVAP. Emission System-Leak Detected(Large Leak): DTC Detecting Condition

DTC DETECTING CONDITION

Item Detecting Condition & Fail Safe Possible Cause
DTC Strategy
  • Check fuel tank under pressure during evacuation
  • Leakage in EVAP. System
Enable Conditions
  • Coolant temperature >74°C (165°F)
  • Ambient air temperature model >-10°C (14°F)
  • Vehicle speed< 10km/h(6mph)
  • Time after start: 590 sec.
  • Estimated altitude< 2.4km(8000ft)
  • Limited canister saturation
  • Minimum canister purge time: 3~25sec.
  • Idle speed engine operating state
  • Differential fuel tank pressure: -11 ~ 4hPa
  • No relevant failure
  • 11V < Battery voltage < 16V
Case1) Threshold Value
  • Time to generate under pressure > 20 sec.
Diagnosis Time
  • 30 sec. In idle when all enable conditions fulfilled
Case2) Threshold Value
  • Time to remain within small under pressure deviation > 7 sec.
Diagnosis Time
  • 20 sec. In idle when all enable conditions fulfilled
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