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: Indication on Display
The Distance Recognition Support System (DRSS) operation status is indicated in the active driving display or multi-information display. Regarding malfunctions, check the vehicle conditions or have it inspected by an Authorized Mazda Dealer according to the content of the displayed message. R ...

Mazda 6 Service Manual: Front bumper removal/installation
1. Disconnect the negative battery cable. 2. Remove in the order indicated in the table. 3. Install in the reverse order of removal. Front Bumper Removal Note 1. Pull the front bumper ends (wheel arch) outward to disengage from the bumper slider. Caution If only one side of the front ...