Mazda 6 Service Manual: Dtc p0172

Dtc p0171

Dtc p0300

Other materials:

Mazda 6 Service Manual: Three-way catalytic converter (twc) inspection
Note Make sure that no HO2S DTCs have been detected. If detected, this inspection is not applicable for TWC inspection. 1. Connect the WDS or equivalent and monitor PIDs as following. Monitor the right TWC using O2S11 PID for upstream HO2S and O2S12 PID for downstream HO2S. 2. Be ...

Mazda 6 Service Manual: Purge solenoid valve inspection
Airflow Inspection Note Perform the following test only when directed. 1. Disconnect the negative battery cable. 2. Remove the purge solenoid valve. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION.) 3. Inspect airflow between the ports under the following conditions. If not as specifi ...