1. Remove the air filter.
2. Inspect the air filter.
Note

Air filter removal/installation
A/c unit removal/installationMazda 6 Service Manual: Variable valve timing actuator removal/installation
L3
Caution
Variable valve timing actuator can not be disassembled because it
is a precision unit.
Note
Variable valve timing actuator camshaft sprocket is integrated
with the variable valve timing actuator and cannot be disassembled.
1. Follow the timing chain removal/installati ...
Mazda 6 Service Manual: Variable intake-air system (vis) control solenoid valve inspection (l3)
1. Remove the VIS control solenoid valve. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
2. Inspect airflow between the ports under the following conditions.
If not as specified, replace the VIS control solenoid valve.
If as specified, carry out the Circuit Open/Short Inspection.
Circ ...