Mazda 6 Service Manual: No.22 vibration concerns (engine)

No.21 engine noise

No.23 a/c does not work sufficiently

Other materials:

Mazda 6 Service Manual: Knock sensor inspection
Note Perform the following test only when directed. Resistance Inspection 1. Turn the ignition switch to LOCK. 2. Disconnect the knock sensor connector. 3. Measure the resistance between the knock sensor terminals A and B using an ohmmeter. If not as specified, replace the knock sens ...

Mazda 6 Service Manual: Combine sensor removal/installation
Caution Be careful and do not allow the combine sensor to fall. If by chance it is subjected to strong impact, replace it. 1. Remove the center console. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. 4. After installation, perform the comb ...