Rough idle with the check engine light on and DTC P0015 / P0524 stored in memory
Mazda technical service bulletin 01-005-18-3415 for 2012-2018 Mazda MAZDA3, 2013-2017 Mazda CX-5 and 2014-2018 Mazda MAZDA6 and others.
- Bulletin number
- 01-005-18-3415
- Component
- Fuel system, gasoline
- Summary
- Some vehicles may experience a rough idle with the check engine light on and DTC P0015 / P0524 stored in memory. P0015:00 - Exhaust CMP timing over-retarded P0524:00 - Engine oil pressure too low This is caused by a drop in engine oil pressure due to a piece of foreign object stuck on the oil pump pressure relief valve or oil control valve (OCV). The temporary entry of the foreign object triggers a check engine light on, but rough idle will not be produced until a later time.
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