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Home >> Chevrolet >> 1987 >> Monte Carlo LS, 4.3 Z >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Fuel Injection System - TBI >> Removal & Installation >> O2 Sensor >> Removal & Installation
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Removal & Installation

Disconnect battery ground. Disconnect electrical connector. DO NOT  attempt to remove single wire from oxygen sensor. Carefully back sensor out of exhaust manifold. Handle sensor with care and do not allow dirt or other foreign matter to contact louvered end of sensor. To install, reverse removal procedure.

NOTE: Prior to reinstalling used sensor, coat threads with liquid graphite compound containing glass beads. This is special anti-seize compound.