FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Mercury
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1982
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Zephyr L4-140 2.3L SOHC
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Repair and Diagnosis
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Powertrain Management
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Idle Speed/Throttle Actuator - Mechanical
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Description and Operation
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Vacuum Operated Throttle Modulator (VOTM)
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.