Check engine light on with DTC P0456 stored in the PCM memory. P0456: evap system leak detected (very...
Mazda technical service bulletin 01-008-15-3045 for 2011-2015 Mazda MAZDA3, 2013-2016 Mazda CX-5 and 2014-2016 Mazda MAZDA6 and others.
- Bulletin number
- 01-008-15-3045
- Component
- Equipment: other: owners/service/other manual
- 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.
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