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plymouth Workshop Repair Guides


PB 150 V8-318 5.2L VIN T 2-BBL (1983)

Powertrain Management > Emission Control Systems > Air Injection > Pulsair Valve, Secondary Air Injection > Component Information > Description and Operation > Pulse Air Aspiration System > Page 1702

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Pulsair Valve: Description and Operation
Pulse Air Feeder (PAF) System

Fig. 11 Pulse air feeder system

    This system, Fig. 11, used on some 1984---87 models, supplies secondary air into the exhaust system between the front and rear converters. This
action aids oxidation of exhaust emissions in the rear catalytic converter.
    The pulse air feeder system consists of a main reed valve and a sub reed valve. A diaphragm, activated by pressure pulses in the crankcase, controls
the main reed valve. The sub reed valve is controlled by pulsations in the exhaust system between the front and rear catalytic converters.

Powertrain Management > Emission Control Systems > Air Injection > Pulsair Valve, Secondary Air Injection > Component Information > Description and Operation > Pulse Air Aspiration System > Page 1702

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