My cylinder head is leaking coolant. There is a well known and well documented issue with these cylinder heads cracking due to poor casting. This has become such a big issue that Mazda has even recalled the cylinder heads, BUT, only if the engine is equipped with Turbo. However, this issue is becoming enormous even for non turbo owners and is a huge safety issue as it can lead to overheating, stalling, and further damage to other components. I feel very strongly that it is time for Mazda to take some responsibility and extend the cylinder head recall to the non turbo engines.
2018 Mazda MAZDA6: engine stalls while driving
7 of the 60 complaints about the 2018 Mazda MAZDA6 describe engine stalls while driving.
- owner complaints
- 7
- of this car's complaints
- 12%
- recalls
- 0
Is there a fix? 130 service bulletins cover this area of the car. See below
Engine stalls while driving by model year
What owners say
Software error/loss of engine power. No warning of this before it happens. The car completely loses power, and stalls or stops in the middle of me driving. This has happened on the freeway and risked my life as well as my husbands, and children. This same issue has been a previous recall and fixed in 2019 for my car, and now it is happening again.
My car has stalled out on me 6 times in traffic and wouldn’t restart for hours. I took it to the Mazda dealership and they told me nothing was wrong but it continues to happen. I need something done as soon as possible
Start engine when cold and it knocks/ taps from the valve cover very loud, found a tab for valve lifters. Mazda said I’m out of warranty and it would be a 2k fix on a car I just bought second hand. A lot of other drivers have experienced the same issue and have even said it’s a safety issues as when it happens for long enough it could cause the cams to wear down causing the car to stall out in traffic or in a dangerous road situation. Very dangerous imo and should be fixed for free as Mazda admitted that it’s a design flaw of the HLA
The engine has developed an oil leak that is a known manufacturing defect of Mazda 2.5 litre engines TSB #SA-031-21. The oil drips on the hot exhaust and sends smoke into the cabin and probably could start a fire. Also if the engine runs out of oil, it will cause the car to shut off and stall in traffic.
I got this car in may of 2019 so the car is still new and ever since I purchased the vehicle I've been having issues with it first were the calipers sticking and mazda gave me a hard time to repair the issue after the fact knowing that it was a manufacturing isssue and still tried to charge me I took my vehicle there more then 15 times just to deal things going bad in my car. My car stalls on me out of no where when I'm driving which is dangerous and can cause me to crash also my car brakes when there isn't anything in front of it all my malfunctioning indicators are on and I have video proof and showed it to my service advisor and service manager and they still didn't repair my car and told me that I have to pay or go somewhere else also my suspension is making noises they didn't want to fix it and as well as my tires peeling off from the sun already and they say it's wear and tear and ask me for money also my car dies everytime I turn it off I have to either get a jump or call roadside for assistance I've been dealing with issues with this car and mazda clearly doesn't care about there customers safety and always ask for money when the vehicle is still under warranty very disappointed I'm still driving the car with all the. Issues it was because mazda won't repair my car and always try to pin the issue on me when knowing that it's there fault I took it to mazda several times and notified them on what's wrong with my car and my car stayed there for 4 days and they did nothing to my car just sitting there for nothing I pay too much money a month and feel like it's for no reason because my safety is at risk I hate driving my car because I feel unsafe and scared and going to mazda is pointless please help me on what to do thanks
I made a stop at a traffic light and the green light change I pressed the gas and the mazda6 stalled and then dragged to take off which almost caused an accident.
Service bulletins that may apply
- Subject: TSB 01-001/26 Warranty and Parts Kit Update INCLUDES: Warranty Extension Program
- SSPD8
- Engine
- SSPD8
- Dear Mazda Owner: You are receiving
- Engine
- Customer service program CSP12 - denso low-pressure fuel pump customer service program warranty extension
- CSP11 - coolant leaks at cylinder head warranty extension
Related recalls
No recalls on record for this model year.
Questions about the 2018 Mazda MAZDA6 stalling
Is engine stalls while driving a common problem on the 2018 Mazda MAZDA6?
7 of 60 owner complaints about the 2018 Mazda MAZDA6 (12%) mention engine stalls while driving. The model year with the most reports is 2003.
Is there a recall or service bulletin for this on the 2018 Mazda MAZDA6?
There are 0 recalls and 130 service bulletins for the same area of the car. Check them below with your VIN.
Other symptoms on the 2018 Mazda MAZDA6
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