volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Heated Oxygen Sensor After Three Way Catalytic Converter, Check|Page 4653 > < Heated Oxygen Sensor After Three Way Catalytic Converter, Check|Page 4651
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Vehicles with engine code ATQ

Continuation for all vehicles

NOTE:

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Cylinder bank 1 = in driving direction, right

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Cylinder bank 2 = in driving direction, left

If specified values are obtained:

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End diagnosis and switch ignition off.

If specified values are not obtained:

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End diagnosis and let engine continue to run at idle.

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Check primary voltage.

Checking primary voltage

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Disconnect 4-pin harness connector to the respective oxygen sensor:

Heated Oxygen Sensor After Three Way Catalytic Converter, Check|Page 4653 > < Heated Oxygen Sensor After Three Way Catalytic Converter, Check|Page 4651