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Home >> Buick >> 1987 >> Electra Base >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> CCC Components Removal & Installation >> Removal & Installation >> Oxygen (O2) Sensor >> Removal
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Oxygen (O2) Sensor: Removal

Disconnect negative battery cable at battery. Raise vehicle on hoist. Disconnect electrical connector from oxygen sensor. Carefully remove oxygen sensor from exhaust pipe.

NOTE: Oxygen sensor may be difficult to remove when engine temperature is less than 120°F (49°C). Excessive removal force may damage threads in exhaust manifold or pipe.