Remove the harness holder (A).

Check the PCV valve (A), the hoses (B), the pipe (C), and the connections for leaks or restrictions.

At idle, make sure there is a clicking sound from the PCV valve when the hose between the PCV valve and the intake manifold is lightly pinched (A) with your fingers or pliers.
If there is no clicking sound, check the PCV valve washer for cracks or damage. If the washer is OK, replace the PCV valve and recheck.

Exploded View
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Fuel Recommendation
Your vehicle is designed to operate on unleaded gasoline with a pump octane number
of 87 or higher. Use of a lower octane gasoline can cause a persistent, heavy metallic
rapping noise that can lea ...
Personal Information
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Use the personal information menu to select and set your address books, home
addresses, and PINs. You can also delete unwanted destinations ...