Installation - Downstream 1/2

The downstream heated oxygen sensor threads into the exhaust outlet pipe behind the catalytic convertor. See Figure.

New sensors have compound on the threads and do not require an additional coating.

1. Install sensor using an oxygen sensor crow foot wrench such as Snap-On tool YA8875 or equivalent. See Figure. Tighten the sensor to 28 N.m (20 ft. lbs.) torque.
2. Connect sensor electrical harness from clips along body.
3. Connect electrical connector to harness.
4. Lower vehicle.