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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Engine Control System Diagnosis - 3.3L (5 Of 9)) >> DTC P0442-00: Evaporative Emission System-Leak detected (small leak) >> DTC Inspection >> Monitor GDS Data >> Evap. Leakage Test

Evap. Leakage Test

WARNING: This page is about a different variant/trim than selected.
  1. Cool the vehicle down for about two hours to prevent misdiagnosis.
  2. Install scan tool and IG "ON" and then clear DTC.
  3. Select and press "EVAP.LEAKAGE TEST" mode in the scan tool.
  4. Check if the vehicle is under test conditions as below.
    G14204840Courtesy of HYUNDAI MOTOR AMERICA
  5. Is the same DTC set after the Evap.leakage test with scan tool?

    YES 

    • Go to "System Inspection" procedure.

    NO 

    • Repeat "Evap.leakage test" with scan tool after cool the vehicle down sufficiently. If the same DTC isn't displayed after the test, it was intermittent fault. go to "VERIFICATION OF VEHICLE REPAIR " procedure.