Where is the bank 1 sensor located on a 2000 jeep wrangler with 4.0L engine?
On a 2000 Jeep Wrangler with a 4.0L engine, the Bank 1 oxygen sensor (O2 sensor) is located on the exhaust manifold before the catalytic converter, on the passenger side of the engine. Remember "Bank 1" always refers to the side of the engine containing cylinder #1. In the 4.0L Jeep Wrangler, cylinder #1 is on the passenger side.