Removal - Upstream 1/1 4 Cylinder
The engine uses 1 heated oxygen sensors in the exhaust manifold.
CAUTION:
When disconnecting the sensor electrical connector, do not pull directly on wire going into sensor.
- Remove the negative battery cable.
- Disconnect the heated oxygen sensor electrical connector.
- Use a socket such as Snap-On YA8875 or a crow foot wrench to remove oxygen sensor. See Figure.