Remove the intake manifold chamber.
Disconnect the four ignition coil connectors (A).

Remove the harness holder (B) and the breather hose (C).
Remove the cylinder head cover.

Fluid Locations
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PCV Valve Inspection
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 ...