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Home › GMC › 2009 › Envoy 4.2 S, RWD › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel System - 4.2L - Introduction › Repair Instructions › Heated Oxygen Sensor Replacement - Sensor 1 › Notes

Heated Oxygen Sensor Replacement - Sensor 1: Notes

Special Tools 

J 39194-B  Heated Oxygen Sensor Wrench. See Special Tools .

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