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: 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: Engine tune-up
IGNITION TIMING INSPECTION Note Ignition timing is not adjustable. Ignition timing verification requires WDS or equivalent. 1. Turn off the electrical loads. 2. Warm up the engine as follows. (1) Start the engine. (2) Maintain the engine speed at approx. 3,000 rpm until the cooli ...