Corolla L4-1.8L (2ZZ-GE) (2005)
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Throttle Body: Testing and Inspection
INSPECT THROTTLE BODY ASSY
a. Check the throttle body.
1. Check that the throttle valve shaft is not rickety.
2. Check that all ports are not clogged.
3. Check that the throttle valve opens and closes smoothly.
4. Check that there is no clearance between the throttle stop screw and throttle lever at the throttle valve closed position.
NOTE: Do not touch the throttle stop screw.
