Mazda 6 Service Manual: No.6 cranks normally but will not start

No.5 engine stalls-after start/at idle

No.7 slow return to idle

Other materials:

Mazda 6 Service Manual: Fuel-Filler Lid and Cap
WARNING When removing the fuel-filler cap, loosen the cap slightly and wait for any hissing to stop, then remove it: Fuel spray is dangerous. Fuel can burn skin and eyes and cause illness if ingested. Fuel spray is released when there is pressure in the fuel tank and the fuel-filler cap is re ...

Mazda 6 Service Manual: Interior Care
WARNING Do not spray water into the vehicle cabin: Spraying water into the vehicle cabin is dangerous as electrical devices such as the audio and switches could get wet resulting in a malfunction or vehicle fire. NOTE Do not wipe the interior using alcohol, chlorine bleach, or organic solv ...