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Idle Speed/Throttle Actuator - Mechanical|Testing and Inspection > < Throttle Solenoid Positioner (TSP)

Tempo FWD L4-140 2.3L HSO (VIN S) (1989)

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Idle Speed/Throttle Actuator - Mechanical: Description and Operation
Vacuum Operated Throttle Modulator (VOTM)

Fig. 24 Vacuum operated throttle modulator (VOTM)

    The VOTM, Fig. 24, acts as a variable carburetor stop. The plunger extends when vacuum is applied. 

Idle Speed/Throttle Actuator - Mechanical|Testing and Inspection > < Throttle Solenoid Positioner (TSP)