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Home >> Hummer >> 2009 >> H3 L5-3.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Service Precautions >> Excessive Force and Oxygen Sensor Caution
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Excessive Force and Oxygen Sensor Caution




Excessive Force and Oxygen Sensor Caution

Caution: The oxygen sensor may be difficult to remove when the engine temperature is below 48°C (120°F). Excessive force may damage threads in the exhaust manifold or the exhaust pipe.