Special Tools Required
Remove the cowl cover and the under-cowl panel.
Disconnect the A/F sensor connector (A).

Remove the A/F sensor (A).

Install the parts in the reverse order of removal.
Emissions Testing
Testing of Readiness Codes
Your vehicle uses “readiness codes,” as part of its onboard self diagnostic
system.
Some states refer to these codes during testing to see if your vehicle’s
em ...
Engine Number
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Immobilizer System
The immobilizer system protects your vehicle from theft. If an improperly-coded
key (or other device) is used, the engine’s fuel system is disabled.
When you turn the ignition switch to the ON (I ...