LTD Crown Victoria V8-302 5.0L VIN F FI (1986)
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Throttle Body: Description and Operation
The Throttle Body Assembly, controls airflow to the engine via a single or dual butterfly valve. The throttle position is controlled by conventional
linkage. The body is a single-piece, die casting of aluminum. It has a single bore with an air bypass channel around the throttle plate.
Other features of the air throttle body assembly include:
1. an adjustment screw to set the throttle plate at a minimum idle airflow position,
2. a pre-set stop to locate the wide-open-throttle (WOT) position,
3. a throttle body mounted throttle position sensor,
4. a PCV fresh air source upstream of the throttle plate (some applications)
5. individual vacuum taps (some applications) for PCV and EGR control signals.
6. idle air bypass valve.