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HOMESERVICE MANUALSHYUNDAI2014VELOSTER BASE, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 2) - NON-TURBODTC P0457: EVAPORATIVE EMISSION SYSTEM-LEAK DETECTED (TANK CAP LOOSE OFF)DTC INFORMATIONDTC DETECTING CONDITION
2014 Hyundai Veloster Base, Standard Trans

DTC Information: DTC Detecting Condition

2014 Hyundai Veloster Base, Standard TransSECTION DTC Detecting Condition
Item Detecting Condition Possible cause
DTC Strategy
  • Fuel tank pressure behavior (large leak)
  1. Leakage in each hose/fuel filler pipe
  2. Leakage in CCV/Canister/Fuel tank/Fuel Filler Cap
Enable Conditions
  • Refueling is higher than 5L
  • Time after engine start is higher than 10 sec.
  • Accumulated Canister Purge time is higher than 20 sec.
  • Vehicle speed is higher than 19mph
Threshold value
  • Tank pressure is higher than -1.0kpa
Diagnosis Time
  • -
MIL On Condition
  • No MIL
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.