Section 12 (EGR Function Testing - MAZDA)

WARNING: This page does not describe the selected car, but rather 234 other vehicles, including the 2018 Mazda 6, 2017 Mazda CX-9, 2014 Mazda MX-5 Miata, 2014 Mazda 6, and 2014 Mazda 5. However, it is still accessible from the selected car via links, so may be relevant.