DTC P0301, DTC P0302, DTC P0303 Or DTC P0304: Notes

WARNING: This page is about a different car, the 2003 Mazda Protege5 and 2003 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.

Code Definition

DTC P0301: Cylinder No. 1 Misfire Detection.
DTC P0302: Cylinder No. 2 Misfire Detection.
DTC P0303: Cylinder No. 3 Misfire Detection.
DTC P0304: Cylinder No. 4 Misfire Detection.