
Diagnostic procedure

Dtc b1342Mazda 6 Service Manual: Oil filter
OIL FILTER REPLACEMENT
For Europe (LF and L3 engine models)
Caution
To avoid damage to the oil filter, use only specified oil filter.
1. Remove the oil filter drain plug.
2. Untighten the oil filter cover for 2 turns and drain the engine oil.
Note
Oil could be easily drained when th ...
Mazda 6 Service Manual: Variable tumble control solenoid valve inspection
1. Remove the variable tumble 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 variable tumble control solenoid valve.
If as specified, carry out the Circuit Open/Short ...