Saturn Workshop Service and Repair Manuals > ION L4-2.4L (2007) > Powertrain Management | Sensors and Switches - Powertrain Management | Sensors and Switches - Computers and Control Systems | Oxygen Sensor | Component Information | Service and Repair | Heated Oxygen Sensor 1 Replacement

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7. If equipped with RPO MN5, perform the following steps, connect the HO2S electrical connector lead to the engine harness electrical connector

(4).

8. Install the CPA retainer.

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