Emission Control System: Precaution
WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
- AIR INDUCTION SYSTEM
- Separation of the engine oil dipstick, oil filler cap, PCV hose, etc. may cause the engine to be out of tune.
- Disconnection, looseness or cracks in the parts of the air induction system between the throttle body and cylinder head will result in air suction and cause the engine to be out of tune.