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2009
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Envoy 4.2 S, 4WD
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Engine Control System & Fuel System - 4.2L - Introduction
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Repair Instructions
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Heated Oxygen Sensor Replacement - Sensor 2
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Notes
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Heated Oxygen Sensor Replacement - Sensor 2: Notes
Special Tools
J 39194-B
Heated Oxygen Sensor Wrench. See
Special Tools
.