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.

MAF Sensor/IAT Sensor Replacement
Disconnect the MAF sensor/IAT sensor connector (A).
Remove the screws (B).
Remove the MAF sensor/IAT sensor (C).
Install the parts in the reverse order of removal ...
Rear Door Rear Sash Trim Replacement
NOTE: Take care not to scratch the door or related parts.
Remove the door quarter inner trim.
Remove the screw securing the trim to the door quarter.
...
Fuel Tank Replacement
Drain the fuel tank until it is less than half full.
Reinstall the fuel tank unit without connecting the fuel tank unit 4P
connector and the quick-connect fitting (feed l ...