Mazda 6 Service Manual: No.12 lack/loss of power-acceleration/cruise

No.11 engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges

No.13 knocking/pinging-acceleration/cruise

Other materials:

Mazda 6 Service Manual: System wiring diagram
ABS (ABS/TCS) DSC FOREWORD Before performing the steps in Symptom Troubleshooting, perform the On-board Diagnostic Inspection. To check the DTC, follow the DTC Inspection steps. ...

Mazda 6 Service Manual: Tire Chains
Check local regulations before using tire chains. CAUTION Chains may affect handling. Do not go faster than 50 km/h (30 mph) or the chain manufacturer's recommended limit, whichever is lower. Drive carefully and avoid bumps, holes, and sharp turns. Avoid locked-wheel braking. Do not ...