do i have 2 o2 sensors on my 2002 impala on 2002 Chevrolet Impala

is there a front and a rear oxygen sensor on a 2002 impala

by in Elkhart Lake, WI on April 03, 2009
1 answer
ANSWER by on April 04, 2009
You have 3 O2 sensors on your V6 Impala. One front O2 sensor (sensor 1) for each bank of the V. Bank one is where cylinder #1 is. And one rear O2 behind the catalytic convertor - Bank 1 Sensor 2.

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