2012 Mazda MAZDA6 Engine Problems
- Complaints
- 2about this part
- Share
- 2%of 99 total for the year
- Median mileage
- 55,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2012 Mazda MAZDA6, 2% of the 99 complaints for this model year. Where a mileage was given, the median is 55,000 miles. 1 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2012 Mazda MAZDA6. The contact stated that while unoccupied, the vehicle rolled away and crashed into a wall while the emergency brake was engaged. The contact also stated that the check engine light illuminated and the vehicle had difficulty starting. The vehicle was taken to the dealer where the failure could not be replicated. The vehicle was not repaired. The failure mileage was not available.”
NHTSA complaint #10505948, filed 2013-04Related service bulletins
- 11034447Jun 19, 2026This SA supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-061/25 12/17/25 DESCRIPTION If you encounter any type of electrical concern (e.g…
- 11032103Apr 21, 2026This Service Alert supersedes the previously issued SA listed below: The changes are noted in Red. SA-011/24 02/12/24, 06/06/24, 07/29/24 DESCRIPTION Mazda has developed factory…
- 11007019Aug 15, 2024If you encounter any type of electrical concern (e.g, dead battery, engine no start, DTC(s) stored...), interview the customer before proceeding with normal MGSS diagnosis by…
- 11007010Aug 7, 2024Some customer's might state that they notice fluid or oil leaking/dripping on the ground when the vehicle is parked. For this concern, inspect the vehicle for any trace of a…
- 10092584Aug 26, 2016There is a concern that some water pumps are being replaced that are not faulty, due to signs of a very small coolant leak from the bleed hole. This service bulletin is to inform…
- 10092724Jun 24, 2016If an engine assembly is replaced after a catastrophic internal mechanical failure, clean the intake manifold internally before installing a replacement engine assembly. If the…
- 10085289Jun 24, 2016If an engine assembly is replaced after a catastrophic internal mechanical failure, clean the intake manifold internally before installing a replacement engine assembly. If the…
- 10092343May 27, 2016There are two engine timing chain types for the 2009-2013 mazda6 3.7l. 1. Roller type timing chain is used on the 2009-2011 built before december 14, 2010. 2. Silent type timing…
- 10092322May 27, 2016Workshop manual evap system leak inspection using the m-mds has been discontinued for some models. Instead, the workshop manual evap system leak inspection using evap leak tester…
- 10091495Mar 21, 2016Please be aware that the workshop manual procedure for the 2009 through 2012 mazda6 (with 3.7l engine) timing chain is incorrect. The procedure will be corrected on ms3 by the…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 13 | 76% |
| 2019 | 1 | 17% |
| 2018 | 32 | 55% |
| 2017 | 4 | 7% |
| 2016 | 7 | 9% |
| 2015 | 4 | 7% |
| 2014 | 15 | 11% |
| 2012 | 2 | 2% |
| 2011 | 3 | 2% |
| 2010 | 4 | 2% |
| 2009 | 11 | 3% |
| 2008 | 2 | 2% |
| 2007 | 9 | 6% |
| 2006 | 10 | 6% |
| 2005 | 4 | 3% |
| 2004 | 7 | 4% |
| 2003 | 10 | 6% |
Other parts of the 2012 Mazda MAZDA6
30 complaintsExterior lighting
28 complaintsOther or unknown
20 complaintsElectrical system
12 complaintsBody and structure
12 complaintsSuspension
8 complaintsFuel system
4 complaintsSteering
4 complaintsBrakes
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaints
← All problems reported for the 2012 Mazda MAZDA6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology