2002 Chevy Blazer Where is the O2 sensor for bank 2 sensor 1?

already exists.

Would you like to merge this question into it?

already exists as an alternate of this question.

Would you like to make it the primary and merge this question into it?

exists and is an alternate of .

pass.side at exe manifold Bank 1 is where cylender 1 is. Bank 2 is on the other side of which is on the passenger side of the blazer. Oxygen sensor 1 is the first sensor closer to the front of the blazer. Sensor 2 would be past the catalytic converter on the same side.
10 people found this useful
In Banking

Where is o2 sensor 1 bank 1 on a 2002 trailblazer?

You have four sensors on the truck, two before the catalyst converter, which you have two of, one on each side. Sensor 1 is the first one in line before the cat, sensor two is