Manual Transmission

Fig. 14 Intake Air Control Diaphragm:

1. Start engine and run until cooling fan comes on.
2. Disconnect and plug air control diaphragm hose.
3. Connect tachometer.

Fig. 15 Throttle Stop Screw Location (Manual Transmission):

4. Check idle speed with all accessories off and cooling fan not running. Adjust by turning throttle stop screw if required.

Expected result:
800 ± 50 rpm.