2011 Mazda MAZDA6 Engine Problems
- Complaints
- 3about this part
- Share
- 2%of 135 total for the year
- Median mileage
- 60,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 2011 Mazda MAZDA6, 2% of the 135 complaints for this model year. Where a mileage was given, the median is 60,000 miles.
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.
“Vehicle has a 3.7l v6 duratec engine designed by ford. I was entering the highway at about 55mph, check engine light went on, then vehicle shut off, and I lost both power and steering. Was able to get to side of the highway without crashing. Steam/smoke was coming out of the hood and the temp gauge was pinned at h. Dealership advised that coolant had gotten mixed with oil and engine was destroyed. Cost to repair - $7400 used $13k new engine. Told it was not due to any neglect or maintenance issue. It was a water pump failure. There is a design flaw in this engine. …”
NHTSA complaint #11128193, filed 2018-09, 140,000 miles“The AC compressor clutch locked up and caused the belt to make loud screeching noises. Also, something burning could be smelled inside the engine and burnt rubber was flung around the engine compartment. Another issue: read about this a lot because I am experiencing it, the passenger-side dash is melting. Seems they used a cheap material and when it gets above 80 degrees outside the dash begins to melt. It is sticky, leaves a residue on your fingers, and produces an extreme glare. The AC went out while I was in the drive-through ordering food. …”
NHTSA complaint #10864098, filed 2016-05, 60,000 miles“My 2011 Mazda 6 had the exhaust system become detached twice within 3.5 years. I purchased the car new. I heard it the first time as I was driving slowly, luckily. I was able to pull over and make it home so I could tie it up with rope to get to a repair shop. The 2nd time I was pulling out of home when I heard the same scraping noise. I luckily could pull back home to tie it up and to get to a repair shop. When I was at the repair show last time, the mechanic said that this is a recurring problem with Mazda 6 bolts rotting out. …”
NHTSA complaint #10661057, filed 2014-11, 45,000 milesRelated 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…
- 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…
- 10084964Mar 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 2011 Mazda MAZDA6
50 complaintsBody and structure
30 complaintsAir bags
28 complaintsOther or unknown
22 complaintsSteering
16 complaintsExterior lighting
11 complaintsElectrical system
8 complaintsVisibility (wipers, defrost, mirrors)
5 complaintsBrakes
4 complaintsFuel system
4 complaintsTransmission and drivetrain
3 complaintsWheels
2 complaints
← All problems reported for the 2011 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