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: A/c compressor removal/installation
1. Disconnect the negative battery cable. 2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.) 3. Remove the right side splash shield and mudguard (L.H.D. only). 4. Loosen the drive belt and remove it. Caution If moisture or foreign material enters the refrigeration ...

Mazda 6 Service Manual: Relay inspection
Relay Type Four-terminal Type A 1. Remove the relay. 2. Inspect for continuity between the relay terminals using an ohmmeter. If not as specified, replace the relay. Type B 1. Remove the relay. 2. Inspect for continuity between the relay terminals using an ohmmeter. If not as ...