S6 Quattro Sedan V10-5.2L (BXA) (2007)
Test requirements
‹› Fuse (SA7) 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.
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Remove the screws - arrows - and the oxygen sensor electrical harness connector heat shield.