1. Disconnect the negative battery cable.
2. Remove the intake maniforld.(see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
3. Remove the PCV valve.
4. Blow through the valve and verify that air flows as specified.

Specification

Egr valve inspection
Three-way catalytic converter (twc) inspectionMazda 6 Service Manual: Using LATCH Lower Anchor
Your Mazda is equipped with LATCH lower anchors for attachment of specially designed
LATCH child-restraint systems in the rear seats. Both anchors must be used, otherwise
the seat will bounce around and put the child in danger. Most LATCH child-restraint
systems must also be used in conjunctio ...
Mazda 6 Service Manual: Windshield Wipers
Turn the wipers on by pressing the lever up or down.
With intermittent wiper
Variable-speed intermittent wipers
Set the lever to the intermittent position and choose the interval timing by
rotating the ring.
With auto-wiper control
Auto-wiper control
When the wiper lever is in the
...