

Diagnostic procedure


Dtc p0340
Dtc p0420Mazda 6 Service Manual: Cowl panel removal/installation
1. Remove the windshield wiper arm and blade. (See WINDSHIELD WIPER ARM AND
BLADE REMOVAL/INSTALLATION.)
2. Remove the cowl grille.
3. Remove the windshield wiper motor. (See WINDSHIELD WIPER MOTOR
REMOVAL/INSTALLATION.)
4. Remove in the order indicated in the table.
5. Install in the re ...
Mazda 6 Service Manual: Air filter inspection
1. Remove the air filter.
2. Inspect the air filter.
If the air filter is damaged, excessively dirty, or foul smelling,
replace the air filter.
Note
The air filter cannot be reused by cleaning it with water or
compressed air.
Replace the air filter at the following interval, depe ...