volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Oxygen Sensor (Before Three Way Catalyst) Aging Check|Page 4707 > < Oxygen Sensor (Before Three Way Catalyst) Aging Check
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If specifications are not obtained: 

-

Replace Oxygen sensor G39 (before Three Way Catalyst) 

NOTE:  If DTC memory has been erased or the Engine Control Module was disconnected from its Voltage supply, the Readiness Code must be created
again,  See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes 

Oxygen Sensor (Before Three Way Catalyst) Aging Check|Page 4707 > < Oxygen Sensor (Before Three Way Catalyst) Aging Check