Mechanics

OXYGEN SENSR PUMP

2000 BMW 740

Engine Performance problem
2000 BMW 740 V8 Two Wheel Drive Automatic 150000 miles

where is the O2 sensor pump located?
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Blueriley
August 4, 2010.



If you mean the air injection pump then it is at right front of wheelwell. The o2 sensors are on the exhaust system, before and after catalytic converter