Mazda 6 Service Manual: Dtc p0301, p0302, p0303, p0304

Dtc p0300

Dtc p0327

Other materials:

Mazda 6 Service Manual: Intermittent concern troubleshooting
  Vibration Method 1. If malfunction occurs or becomes worse while driving on a rough road or when engine is vibrating, perform the steps below. Note There are several reasons vehicle or engine vibration could cause an electrical malfunction. Some of the things to check for are: ...

Mazda 6 Service Manual: Indicators
Manual shift mode indication In manual shift mode, the “M” of the shift position indication in the instrument panel illuminates. Gear position indication The numeral for the selected gear illuminates. NOTE If the gears cannot be shifted down when driving at higher speeds, the gear ...