oxygen sensors on 1993 Chevrolet 2500 Pickup

How many oxygen sensors is there on a 1993 chevy silverado with a 5.7 liter

by in Joliet, IL on July 05, 2010
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2 answers
ANSWER by , July 08, 2010
I would expect to find only one oxygen sensor on your 1993 Chevrolet 2500 Pickup
ANSWER by , January 03, 2011
One. Later models incorporated a second O2 sensor.