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: Steering gear and linkage inspection
Rack Inspection 1. Inspect the rack for cracking, damage, and tooth wear. Replace it as necessary. 2. Measure the runout of the rack. Runout Near point A: 0.15 mm {0.006 in} max. Near point B: 0.20 mm {0.008 in} max. 3. If not within the specification, replace the rack. Tie-rod End ...

Mazda 6 Service Manual: Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS)
The Lane-keep Assist System (LAS) & Lane Departure Warning System (LDWS) alerts the driver that the vehicle may be deviating from its lane and it provides steering assistance to help the driver stay within the vehicle lanes. The Forward Sensing Camera (FSC) detects the white lines (yellow l ...