FixVault

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.
  1. AIR INDUCTION SYSTEM 
    1. Removal of the engine oil dipstick, oil filler cap, PCV hose, may break the engine.
    2. Disconnection, looseness or cracks in the parts of the air induction system between the throttle body and cylinder head may result in air suction and break the engine.