Throttle Opener
- Switch off all accessories. Remove fuel filler cap. Disconnect and plug idle compensator tube at air cleaner. Connect tachometer to engine and warm engine to normal operating temperature.
- Disconnect electrical connector from switching solenoid valve (Gray color dot). Disconnect and plug vacuum sensing tubes from vacuum control units on distributor (except Calif. Man. Trans.).
- Turn air conditioner off. Disconnect electrical connector from air conditioner solenoid valve and connect battery power to solenoid terminals.
- With battery power applied to solenoid terminals, throttle opener should increase engine speed from idle to 1150-1250 RPM (in Neutral). If engine speed is not within specification, turn adjusting nut on throttle opener arm until engine speed is within specification.