Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Hyundai >> 2005 >> Elantra GLS, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Troubleshooting Procedures >> DTC P0507: Idle Air Control System-Rpm Higher Than Expected >> Air Leakage Inspection

Air Leakage Inspection

  1. Visually/physically inspect the air leakage in intake/exhaust system as following items,

    If OK, go to next step

    If NG, repair as necessary and go to VERIFICATION OF VEHICLE REPAIR  procedure.

    1. Vacuum hoses for splits, kinks and improper connections.
    2. Throttle body gasket.
    3. Gasket between intake manifold and cylinder head.
    4. Seals between intake manifold and fuel injectors.
    5. Exhaust system between HO2S and Three way catalyst for air leakage.
  2. Check for air leakage in EVAP. Purge control valve.
    1. Remove the manifold side vacuum hose from the EVAP canister purge valve.
    2. Using a hand vacuum pump apply specified vacuum(Approx. 15 in, Hg) to the manifold side of the valve.
    3. Does the valve hold vacuum?

      YES 

      • Go to next step as below.

      NO 

scientia non olet · About Mike's Workshop Manuals