How to remove the valve cover of Highlander when it falls off?

Loosen the throttle screw. According to the query Highlander official website shows.

1. Prepare tools first, such as adding carp tongs, and remove the intake pipe clamps.

2. Then unplug the crankcase ventilation pipe. If it is tight, you can turn it left and right and pull it out smoothly. There are two screws at the lower left of the ventilation pipe.

3. Finally, remove the front of the air inlet, remove the air filter element, loosen the four screws for removing the throttle valve, then slowly remove the throttle valve and take out the injector cover.