Q7 Quattro V8-4.2L (BAR) (2008)
Oxygen Sensor: Service and Repair
Oxygen Sensors
Special tools, testers and auxiliary items required
‹› Ring Spanner 7-Piece Set for Oxygen Sensor (3337)
Removing
‹› All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.
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On a vehicle with air suspension, activate vehicle lift mode.
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Pull rear engine cover off - arrows -.
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Pull front engine cover off - arrows -.
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Disconnect electrical connector - 2 - at Mass Air Flow (MAF) Sensor 2 (G246).