PCV Hose Installation Note
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
SKYACTIV-G 2.0
- Install the end of the PCV hose on the marking side (PCV hose with smaller inner diameter) to the PCV valve.
 Courtesy of MAZDA MOTORS CORP.
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SKYACTIV-G 2.5
- Install the end of the PCV hose on the marking side (PCV hose with the larger inner diameter) to the PCV valve.
 Courtesy of MAZDA MOTORS CORP.
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