Unusual engine noise after a cold engine start
Mazda technical service bulletin 01-018-16 for 2014-2017 Mazda MAZDA3, 2015-2017 Mazda MAZDA6 and 2016-2017 Mazda MAZDA2.
- Bulletin number
- 01-018-16
- Component
- Fuel system, gasoline
- Summary
- Unusual engine noise after a cold engine start. Some customers may complain about an unusual noise coming from the engine compartment for about 20 seconds after a cold engine start. This noise is a normal engine operation for improved exhaust gas emissions. The noise does not indicate a malfunction.
Vehicles covered
- Mazda MAZDA3 2014-2017 2014201520162017
- Mazda MAZDA6 2015-2017 201520162017
- Mazda MAZDA2 2016-2017 20162017
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