DTC P0301; P0302; P0303; P0304; Pcm Misfire Detected 1, 2, 3, 4: Notes
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- To determine the malfunctioning part, proceed with the diagnostics from "Function Inspection Using M-MDS".