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Bluetec O2 Sensor locations?

5701 Views 7 Replies 4 Participants Last post by  konigstiger
2007 E320 Bluetec - Getting an open circuit error on the O2 sensor downstream of DPF (G3/1)

Need to know the location of the sensor as well as how hard it is to get to! Can I do it with a normal wrench, or do I need a special O2 sensor removal tool?
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