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.

A/T Countershaft Reverse Selector Hub Installation (A/T)
Special Tools Required
Driver Handle, 40 mm I.D. 07746-0030100
Install 1st gear, 2nd gear, 3rd gear, the 33.2 x 40 x 26 mm
collar, the 29 mm cotters, and the 33 x ...
Fuel and Emissions System Description - Electronic Control System
Electronic Control Systems
The functions of the fuel and emission control systems are managed by the
engine control module (ECM) on vehicles with manual transmissions or the
powertrain cont ...
Pilot Bearing Replacement
Remove the crankshaft pilot bearing (A) using the remover weight (B), and
the 15 mm bearing remover shaft set (C).
Install a new pilot bearing (A) into the crankshaft using th ...