Check engine light on with DTC P0456 stored in the PCM memory. P0456: evap system leak detected (very...
Mazda technical service bulletin 01-014-14-2932 for 2011-2013 Mazda MAZDA3 and 2007-2014 Mazda CX-9.
- Bulletin number
- 01-014-14-2932
- Component
- Engine
- Summary
- Some vehicles may exhibit the check engine light on with dtc p0456 stored in the PCM memory. p0456: evap system leak detected (very small leak) the concern is most likely the result of the customer not getting the fuel cap completely closed after fueling the vehicle. This causes a small fuel vapor leak and turns dtc p0456 on.
Owners of these vehicles have filed 173 complaints in the engine category.
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