Mazda 6 Service Manual: No.25 a/c is not cut off under wide open throttle conditions

No.24 a/c is always on or a/c compressor runs continuously

No.26 exhaust sulphur smell

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: Oil pressure switch removal/installation
Warning When the transaxle and ATF are hot, they can badly burn. Turn off the engine and wait untill they are cool before replacing ATF. 1. Disconnect the negative battery cable. 2. Remove the under cover. 3. Disconnect the cord assembly connector. 4. Remove the oil pressure switch. ...