Special Tools Required
Disconnect the secondary HO2S connector (A).

Raise the vehicle on a lift.
Remove the supporters (A), then remove the secondary HO2S (B).

Install the parts in the reverse order of removal.
PIN Numbers
INFO button
► Setup
►Personal Information►PIN Number
Set a 4-digit PIN for protecting personal addresses and your home addresses.
Once
you set a PIN, you are prompted to ente ...
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:
...
Front:
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"Ho ...