Previa Van LE 4WD L4-2438cc 2.4L DOHC SC MFI (1997)
Throttle Opener: Testing and Inspection
THROTTLE OPENER INSPECTION
Inspect throttle opener.
1
Check idle speed.
Idle speed: 750 + 50 rpm
2
Check throttle opener setting speed.
(a) Disconnect the vacuum hose from the throttle opener, and plug the hose end.
(b) Check the throttle opener setting speed.
Throttle opener setting speed: 750 - 1,250 rpm
If the throttle opener setting is not as specified, replace the throttle body.
(c) Stop the engine.
(d) Reconnect the vacuum hose to the throttle opener.
(e) Start the engine, and check that the idle speed returns to the correct speed.
