Mazda 6 Quiz
Fuel and emission control systems

Pcv valve inspection

In this manual: Fuel and emission control systems
General information — 42Engine — 23Lubrication system — 10Cooling system — 9Fuel and emission control systems — 161Engine electrical system — 17Clutch — 21Manual transaxle — 10Automatic transaxle — 110Front and rear axles — 20Steering system — 15Braking system — 104Suspension — 34Body — 201Body electrical system — 287Heater and air conditioner systems — 89Technical data — 1Special tools — 1
~1min read

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.

  • If not as specified, replace the PCV valve.

Specification

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A quick Mazda 6 quiz: every answer comes with an explanation and a link to the manual page.