When your 2022 Mazda3 displays diagnostic trouble code P0306, indicating a cylinder 6 misfire, this code requires special investigation. The 2022 Mazda3 uses four-cylinder engines exclusively, meaning there is no sixth cylinder to experience a misfire.
2022 Mazda3 Engine Options
The 2022 Mazda3 offered the Skyactiv-G 2.0-liter and 2.5-liter naturally aspirated four-cylinder engines, plus the 2.5 Turbo option. All are four-cylinder engines with only cylinders 1-4. No six-cylinder option exists.
Understanding P0306
P0306 identifies cylinder 6 as the misfire source, but the Mazda3 only has cylinders 1-4. This code indicates diagnostic system malfunction rather than actual engine problems.
Diagnostic Process
Verify with Mazda diagnostics. Remove OBD-II accessories. If symptoms exist, diagnose the four actual cylinders.