Cobalt L4-2.4L (2007)
3. If equipped with RPO M86, perform the following steps, remove the CPA retainer (4).
4. Disconnect the HO2S connector lead from the engine harness electrical connector (5).
5. Raise and support the vehicle. Refer to Vehicle Lifting.
6. Bend the heat shield trough (2) down slightly until the HO2S lead (1) can be removed.
