Mazda 6 Service Manual: No.20 fuel odor (in engine compartment)

No.19 exhaust smoke

No.21 engine noise

Other materials:

Mazda 6 Service Manual: Battery Maintenance
To get the best service from a battery: Keep it securely mounted. Keep the top clean and dry. Keep terminals and connections clean, tight, and coated with petroleum jelly or terminal grease. Rinse off spilled electrolyte immediately with a solution of water and baking soda. If th ...

Mazda 6 Service Manual: Front door speaker inspection
1. Inspect for resistance between the front door speaker terminals using an ohmmeter. If not as specified, replace the front door speaker. 2. To verify that the front door speaker outputs sound, apply voltage to the front door speaker and release using a 1.5-V battery. If not outp ...