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: Reporting Safety Defects (U.S.A.)
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in addition to notifying Mazda Motor Corporation (Your Mazda Importer/Distributor). If NHTSA receive ...

Mazda 6 Service Manual: Oil leakage inspection
Use either of the following procedures to identify the type of oil that is leaking: Using UV Light (Black Light) 1. Remove on the engine or transaxle. Note Referring to the fluorescent dye instruction manual, mix the specified amount of dye into the engine oil or ATF (or transaxle ...