Mazda CX-9 Trouble Codes, Symptoms & Recalls
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Common check engine codes on the Mazda CX-9
- P0420 — Catalyst System Efficiency Below Threshold (Bank 1)
- P0300 — Random/Multiple Cylinder Misfire Detected
- P0171 — System Too Lean (Bank 1)
- P0442 — Evaporative Emission System Small Leak Detected
- P0455 — Evaporative Emission System Large Leak Detected
- P0128 — Coolant Temperature Below Thermostat Regulating Temperature
- P0401 — EGR Insufficient Flow Detected
- P0440 — Evaporative Emission Control System Malfunction
- P0301 — Cylinder 1 Misfire Detected
- P0174 — System Too Lean (Bank 2)
Common Mazda CX-9 symptoms
- Mazda CX-9 car shaking when braking
- Mazda CX-9 brakes squealing when stopping
- Mazda CX-9 check engine light on
- Mazda CX-9 car won't start
- Mazda CX-9 car overheating
- Mazda CX-9 car loses power when accelerating
- Mazda CX-9 car running or idling rough
- Mazda CX-9 white smoke from exhaust
- Mazda CX-9 blue smoke from exhaust
- Mazda CX-9 battery light on while driving
- Mazda CX-9 car pulls to one side
- Mazda CX-9 car ac not blowing cold
Maintenance & recalls
Mazda CX-9 maintenance resources · Mazda CX-9 NHTSA recalls & complaints