Mazda 6 Service Manual: No.19 exhaust smoke

No.18 cooling system concerns-runs cold

No.20 fuel odor (in engine compartment)

Other materials:

Mazda 6 Service Manual: Recording of Vehicle Data
This vehicle is equipped with a computer which records the following main vehicle data related to vehicle controls, operation, and other driving conditions. Recorded data Vehicle conditions such as engine speed and vehicle speed Driving operation conditions such as accelerator and brake ped ...

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 ...