Mazda CX-9 P0324: Meaning, Causes, + Likely Fix

P0324 is a common OBD2 trouble code. It indicates that there is an issue with your Mazda CX-9’s knock control system. While P0324 is a generic code, repair steps will vary depending on your CX-9’s engine type and model year. However, some basic steps can be followed to help diagnose and fix the problem. P0324 ... Read more