Some customers may complain of a check engine light on while driving the vehicle
Mazda technical service bulletin SA-004-19 for 2007-2015 Mazda CX-9.
- Bulletin number
- SA-004-19
- Component
- Engine
- Summary
- Some customers may complain of a check engine light on while driving the vehicle. If DTCs P2A04:00, P2272:00 and/or other DTCs are found during diagnosis, follow the repair procedure below. P2A04:00 - HO2S (LH) circuit range/performance, P2272:00 - HO2S (LH) signal stuck lean, P2270:00 - HO2S (RH) signal stuck lean, P2A01:00 - HO2S (RH) circuit range/performance.
Owners of these vehicles have filed 139 complaints in the engine category.
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