Top 5 Problems Mazda 6 Sedan 2014-2021 3rd Generation

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Here are the top 5 problems with the 3rd generation Mazda 6 sedan, which you can find in model years 2014 to 2021! In this video, Sue introduces you to the Mazda 6, and common problems you might encounter with one, whether you own it, or are planning to buy one. Sue points you in the right direction for repairing or replacing parts that cause these problems so you can keep driving your Mazda 6 for a long while to come! Check out 1AAuto.com for any parts you might need for your Mazda 6, or any other vehicle in your fleet!
0:00 Top 5 Problems Mazda 6 Sedan 2014-2021 3rd Generation
0:32 Cooling Fan Module
1:10 Valve Lash Adjusters
1:40 Car Starts and Dies
2:23 Car Dies While Driving
2:51 Minor Engine Misfire - P0301
This repair was done on a 2014 Mazda 6 Grand Touring 2.5L Sedan 4-Door FWD Automatic and the process should be similar on the following vehicles:
2014 Mazda 6
2015 Mazda 6
2016 Mazda 6
2017 Mazda 6
2018 Mazda 6
2019 Mazda 6
2020 Mazda 6
2021 Mazda 6
🔧 List of tools used:
• No Tools Needed
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⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.

[@1AAuto]

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[@briancarlisi2224]

My ‘14 Mazda 6 has 394,000 miles with only oil, plugs (replaced 4 times) & coils (once). Still get 36-38 mpg hwy. Couldn’t ask for a better made vehicle!

[@robertwilliam9558]

I have a 2014 Mazda 3 2.0 Skyactiv engine. No issues so far with 92K miles.

[@1AAuto]

+@robertwilliam9558 Thanks for checking us out. Shop for high quality auto parts on 1AAuto.com: 1aau.to/m/Shop-1AAuto-c

[@mattb9664]

Former Mazda6 Gen 1 owner, which came from the Ford plant. Mine, along with many others, suffered the rusted rear wheel wells, right at year 4 and 5. Their fix, only if found under warranty, was to issue you $200-$300 to go get the rust fixed by a body shop. Nobody knew about the TSB, and needless to say, you'd see just about every Mazda6 on the road with rusted wheel arches. The 2003 Yellow models looked pathetic! My mother even bought one after me and had the same problem- she liked the car so much and was going to make it her last one going into retirement- she (both my parents) paid $2000 to have the old fender/roof run clipped out and a new one installed then refinished. After that, and witnessing everyone's rusted wheel arches on the road, and how Mazda didn't really handle it- I'll never buy another Mazda.

[@Asot5xx]

Post 2015 mazda quality 👌

[@garrettw99]

Have a 2015 Mazda 3 2.0 and a 2017 Mazda 3 2.5, both with 45k miles. Both have been flawless with reliability. Only normal maintenance and a couple recalls. I would add that the thermostat seems to be a somewhat more common problem per other owners.

[@chimaeraSPK]

I have had a 2014 Mazda 3 with the 2.5L skyactiv for 7 years now, 150+ k miles and I've never encountered these issues. The most common issue for me has been the belt tensioner which I've had to replace twice. Have owned the car since it had 22k miles.

[@garrettw99]

Sue is the best

[@yesseniamoreno6170]

Can you please do one on a Honda accord sport 2014

[@bsairamshastri1946]

I have a 2014 mazda 6 with 107000 miles on it. The check engine light came on with P0421 code with ignition coil codes p2302, p2305, p2308 and p2311. There is no misfire, the car runs very smooth, the catalytic converter is great,the oxygen sensors are great, changed spark plugs and ignition coils, did take it to the dealership for a pcm update. None of them helped me. Still same code with only one side effect that is bad gas mileage of avg 20 mpg. What could be the issue

[@LSR-YT21]

You guys forgot to bring up more important stuff. Accessory belt tensioner leaks OCV oil seeping Front timing cover oil seeping Never heard of the intake hoses failing 🤣 Also the misfires are very commonly coils not injectors. Valve hydraulic lash adjusters rarely ever have issues in Mazdas as long as you take care of your oil So you brought up possible issues but the ones I brought up are actually common while the ones you guys brought up are pretty rare

[@keyeisme1694]

Tried to check my transmission fluid level and you have to remove the airbox. No way the engine runs with this removed. Any ideas?

[@declanfarber]

You forgot about the auto trans Parking mode switch in the 2014 specifically. And also about the fact that the steering bellows boots are considered to be a great delicacy by rodents, to the exclusion of almost everything else on the car. Mazda sells a lot of steering racks on these cars (if you catch it early enough, you only have to replace the 20 dollar boot.)

[@DANNYN224]

Mass airflow sensor car starts and dies shouldn’t it cause check engine light aswell

[@luckynyakatswau3682]

Hi! Can you do the same on the Lexus GS 300S, the 1997 model?

[@1AAuto]

+@luckynyakatswau3682 We do not have a video for this repair right now, but we'll keep this request in mind for a future video! 1aau.to/m/Shop-1AAuto-c

[@michaelangelos5117]

As a former Mazda owner, I can say that the first problem is that it's a Mazda