2.2L Engine
- One sensor is mounted on the exhaust pipe about half way between the exhaust manifold and the catalytic converter
- The second sensor is mounted immediately after the catalytic converter.
4.3L Engine
- One sensor is located on the exhaust manifold on the driver's side
- One sensor is located on the front of the catalytic converter.
5.0L Engine
- One sensor is located on the driver's side cylinder head
- One sensor is located on the front of the catalytic converter.
5.7L Engine
- One sensor is located on the exhaust manifold on the passenger's side
- Two sensors are located on the front of the catalytic converter.