Intake/Exhaust System For Restriction Or Leakage
- Refer to appropriate service information and visually and/or physically inspect following conditions;
- 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 O2 sensor and the Three way catalyst for air leakage.
- Air Cleaner filter element for excessive dirt or for any foreign objects.
- Throttle body inlet for damage or for any foreign objects.
- Throttle bore and throttle plate for chocking and for any foreign objects.
- Restricted exhaust system.
- Has any problems been found?
YES
- Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Go to "EVAP System Inspection" procedure below.