LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 39 (Engine Control System Diagnosis - 1.6L (2 Of 3) (Except HEV)) >> DTC P0455: Evaporative Emission System-Leak Detected (Large leak) >> Component Inspection

Component Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Check CCV for leakage
    1. Disconnect the hose leading from the CCV to Canister at CCV.
    2. Visually Check any tear of the hose leading from the CCV to Canister
    3. When the CCV operates, apply a vacuum at the nipple and verify that the CCV holds vacuum.
    4. Does a leak exist?

      YES 

      NO 

      • Go to "Check Canister for leakage" procedure below.
  2. Check Canister for leakage
    1. Disconnect the hose leading from the CCV to Canister at Canister.
    2. When the other nipples are plugged, apply a vacuum at the vent nipple and verify that the Canister holds vacuum.
    3. Does a leak exist?

      YES 

      NO 

      • Go to "Check fuel tank for leakage" procedure below.
  3. Check fuel tank for leakage
    1. Check fuel tank for crack or leakage.
    2. Does a leak exist?

      YES 

      NO 

      • Carefully perform this troubleshooting procedures all over again from the beginning.