Diagnostic procedure

WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: DTC P0300 - Diagnostic Procedure (Steps 1-4)

Courtesy of MAZDA MOTORS CORP.

Fig 2: DTC P0300 - Diagnostic Procedure (Steps 5-15)

Courtesy of MAZDA MOTORS CORP.

Fig 3: DTC P0300 - Diagnostic Procedure (Steps 16-23)

Courtesy of MAZDA MOTORS CORP.