Toyota 22R-E - Inspect Air Valve Operation

5. INSPECT AIR VALVE OPERATION
Check the engine speed by fully screwing in the idle
speed adjusting screw.
At low temp.
Engine coolant temp.: below 80C (176F)
When the idle speed adjusting screw is in, the
engine speed should drop.
After warm –up
When the idle speed adjusting screw is in, the
engine speed should drop below idle speed stop.
COMPONENTS FOR REMOVAL AND
INSTALLATION
(e) Reconnect the vacuum hose to the throttle opener.
–ENGINE MFI SYSTEM
EG2–239