Oxygen sensors on 1996 Oldsmobile Bravada

How many oxygen sensors are on a 1996 Olds Bravada 4.3 litre engine?

by in Richton Park, IL on June 01, 2010
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2 answers
ANSWER by , June 01, 2010
One post catalytic converter O2 Sensor two pre- cat sensors.
ANSWER by , November 09, 2010
also one on driver side exhaust pipe