Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

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Link: lemon-manuals.la

Oxygen Sensor: Service and Repair


Using the proper removal tool, remove the oxygen sensor. Clean the threads in the exhaust manifold with a tap before installing the oxygen sensor. Coat oxygen sensor threads with a nickel based anti-seize compound. Do not use graphite or other anti-seize compounds.