Mazda 6 Service Manual: No.4 hard to start/long crank/erratic start/erratic crank

No.3 will not crank

No.5 engine stalls-after start/at idle

Other materials:

Mazda 6 Service Manual: Personalization Features
The following personalization features can be set or changed by the customer or an Authorized Mazda Dealer. Consult an Authorized Mazda Dealer for details. Additionally, some of the personalization features can be changed by the customer depending on the feature. Personalization features and s ...

Mazda 6 Service Manual: General procedures
PRECAUTION (FRONT AND REAR AXLE) Wheel and Tire Removal/Installation 1. The removal and installation procedures for the wheels and tires are not mentioned in this section. When a wheel is removed, tighten it to 88-118 N·m {9.0-12.0 kgf·m, 65.0-87.0 ft·lbf} Brake Line Disconnection/Connecti ...