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.
Spark Plug Inspection
Remove the ignition coils and the spark plugs.
Inspect the electrodes and the ceramic insulator:
Burned or worn electrodes may be caused by these conditions:
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Horn Test/Replacement
'09-11 models
Remove the front grille cover.
Disconnect the 1P connector (A) from the horn (B).
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Front Door Glass Outer Weatherstrip Replacement
NOTE:
Put on gloves to protect your hands.
Take care not to scratch the door and related parts.
Lower the glass fully.
Remove the door sash outer trim.
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