Remove it with special tool from exhaust manifold and reinstall new one with hi temperature anti-seize grease.
The bank 1 oxygen sensor on a 2003 Ford Taurus is located on the motor. It is on the top, back part near the firewall.
How do you unplug an oxygen sensor on a 2003 Chevy Cavalier
built into mass air flow sensor
how to change air temperature sensor on astra 2003 how to change air temperature sensor on astra 2003
how do you change the cooling sensor on a kia rio 2003
unplug from loom, get big spanner and unscrew from exhaust. refit in reverse
how do you change the knock sensor in a 2003 Chevy silverado 5.3
It is the oxygen sensor.
Find very good instructions with photos at: http://matrixowners.com/topic/72977-diy-how-to-change-an-oxygen-sensor-in-a-matrix/ I used them and they are easy to follow. Replacement time 15 minutes.
the lamba sensor is located inside the maifold
pass. side rear
A 2003 Chrysler van has two oxygen sensors in the exhaust pipe on the rear of the engine.