Check air leakage
- Visually/physically inspect the air leakage in intake/exhaust system for following items
- Vacuum hoses for splits, kinks and improper connections.
- Throttle body gasket
- Gasket between intake manifold and cylinder head
- Seals between intake manifold and fuel injectors
- Exhaust system between HO2S and three way catalyst for air leakage
- Has a problem found in this procedure?
YES
- Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR ".
NO
- Go to "Check the fuel line" as follows.