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.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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A. Oxygen Sensor Inspection





1. Raise vehicle on a hoist and locate oxygen sensor in exhaust manifold as shown in Figure 1.

If the oxygen sensor has a metal stone shield around the sensor body continue with Step B.

If the sensor does not have a stone shield, a new sensor has already been installed. Lower vehicle and continue with Step C.