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: Washer Fluid
Inspecting Washer Fluid Level WARNING Use only windshield washer fluid or plain water in the reservoir: Using radiator antifreeze as washer fluid is dangerous. If sprayed on the windshield, it will dirty the windshield, affect your visibility, and could result in an accident. Using Washer Flu ...

Mazda 6 Service Manual: Camshaft position (cmp) sensor inspection
Caution When foreign material such as an iron chip is on the CMP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CMP sensor when replacing. Note Perform the follow ...