audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Oxygen Sensor Heaters After Catalytic Converter, Checking|Page 3648 > < Oxygen Sensor Heaters After Catalytic Converter, Checking|Page 3646
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‹› Fuse (SC6) OK.

‹› Battery voltage at least 12.5 volts.

‹› All electrical consumers such as, lights and rear window defroster, switched off.

‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".

‹› A/C switched off.

‹› Ground (GND) connections between engine/transmission/chassis OK.

‹› Ignition switched off.

Procedure

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Raise the vehicle. 

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Loosen the quick release fasteners - 1 - and -  2 - and remove the noise insulation panel.

Oxygen Sensor Heaters After Catalytic Converter, Checking|Page 3648 > < Oxygen Sensor Heaters After Catalytic Converter, Checking|Page 3646