Mazda 6 Service Manual: No.5 engine stalls-after start/at idle

No.4 hard to start/long crank/erratic start/erratic crank

No.6 cranks normally but will not start

Other materials:

Mazda 6 Service Manual: Schedule 1
U.S.A. and Puerto Rico residents - Engine oil flexible maintenance interval Use when the maintenance monitor for “Oil Change” is set to “Flexible”. For details, see maintenance monitor. Chart symbols: I: Inspect: Inspect and clean, repair, adjust, fill up, or replace if necessary. T: ...

Mazda 6 Service Manual: Registering Your Vehicle in A Foreign Country (Except United States and Canada)
Registering your vehicle in a foreign country may be problematic depending on whether it meets the specific emission and safety standards of the country in which the vehicle will be driven. Consequently, your vehicle may require modifications at personal expense in order to meet the regulation ...