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: C-pillar trim removal/installation
4SD 1. Remove the tire house trim. 2. Turn the seaming welt over. 3. Remove the cap using a fastener remover, and remove the bolt (with curtain air bag system). 4. Disengage clips A and clip B using a fastener remover. 5. Pull the C-pillar trim forward, then disengage hook C from the body, ...

Mazda 6 Service Manual: Woofer inspection
1. Inspect for continuity between the audio amplifier connector terminals and woofer connector terminals using an ohmmeter. If not as specified, replace the related wiring harnesses. 2. Verify that there is battery positive voltage at the woofer connector terminal A (4SD) or C (5HB) u ...