Mechanics

OXYGEN SENSOR

2002 Saturn L300

Engine Performance problem
2002 Saturn L300 6 cyl Two Wheel Drive Automatic 85000 miles

When changing an oxygen sensor, which is bank 1 and which is bank 2
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Tkuntz785
September 5, 2009.



Bank 1 is driver side location of the exaust manifold

bank 2 is passenger.

Sensor 1 is before the catalityc converter and sensor 2 is after

Bluelightnin6
Dec 24, 2009.