volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Air Injection Pump Relay > < Air Injection Check Valve|Description and Operation
Page 1
background image

Air Injection Pump: Description and Operation

PURPOSE

The pump forces a calibrated amount of air into each exhaust port.

OPERATION

The pump is electrically driven and controlled by a relay.

Air Injection Pump Relay > < Air Injection Check Valve|Description and Operation