DTC P3498-00: No. 1 Cylinder Valve Is Stuck Closed Or P349B-00: No. 4 Cylinder Valve Is Stuck Closed (Us): Notes

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.

NOTE:

To determine the malfunctioning part, proceed with the diagnostics from "Function Inspection Using M-MDS".