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.

Dashboard Vent Removal/Installation
Side Vent
Click here for an interactive version of this procedure (driver's,
passenger's).
NOTE: Take care not to scratch the dashboard or its related parts.
Pull the upper portion ( ...
Introduction
Congratulations! Your selection of a 2008 Honda Fit was a wise investment.
It will give you years of driving pleasure.
One of the best ways to enhance the enjoyment of your new vehicle is to read
...
Exhaust Gas Hazard
Carbon Monoxide Gas
The engine exhaust from this vehicle contains carbon monoxide, a colorless,
odorless, and highly toxic gas. As long as you properly maintain your vehicle,
carbon
monoxide gas ...