I have seen posts from other Mazda forums that some Mazda 2.5L turbo engines (particularly 2021 models) are developing low engine oil issue at low mileage. Since CX50 uses same engine for their turbo trims has any CX50 owners experiencing this issue with their car? As CX50 is such a brand new model probably not but have seen several CX30 and CX5 owners with this issue. It seems like this is only affecting their turbo engine and Mazda has a TSB for it but there is no real fix available at this point other than just adding oil to bring back up the level.
Mazda 2.5Turbo Low Engine Oil Issue
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No issues with oil burning, but still relatively low mileage. My 2019 CX-5 Signature turbo never exhibited any low oil issues in the entire time I owned it, but that seems to be earlier than the assumed window for the issue. Looks like the associated Mazda TSB suggests that the issue started after they modified the valve stem seal design and only for certain 2021 vehicles. No idea if they did any further tinkering to that or if the CX-50 has the same valve seals that apparently are associated with the oil loss. I'm seeing some anecdotal comments online that Mazda did make another valve stem change and vehicles manufactured after Sep 2021 supposedly addressed the issue. I guess time will tell for me, but not terribly worried.
Good to know and thank you. Hope that the redesign of valve stem change resolved the issue for future models. Looking to get a non turbo trim CX 50, but wasn’t sure the naturally aspirated version is affected by this issue as well. My understanding is that Mazda‘s engines are proven to be very reliable and trouble free over the last several years.
Not the same engines of course, but I've owned 5 Mazdas since 2001 (2001 Miata, 2006 Miata, 2010 6, 2016 & 2019 CX-5) and never had a significant issue with any of them. My other half had a 2012 3 until late last year and the only issue was a warped dash piece that Mazda replaced for free 6 years into owning it. The reliability is one reason why I keep coming back. I realize that there were well-documented and very real issues with certain other vehicles and model years, but that's true of any car company.
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Mine is 1 months old, 5000 miles, 703.1 engine hours on it as of 9pm yesterday. The thing is still running right now the second shift driver is driving the car up and down the highway delivering stuff . No oil burn at all. Maybe it doesn’t burn oil when the car is warmed up? My car never got a chance to cool down.
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Reliability on the turbo is awesome. 700+ hours on mine already. No issue. The 2019 beater camry we had before broke at 500 hours.
Wow! No dust settling on your car.
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It’s a work truck. Haven’t washed it since I picked up. In fact the day I picked it up it’s been in service since. So far so good. Interior plastic quality is pretty well it’s able to take up all the beating
I bought a new 2021 Mazda CX-5. I believe the CX-50 has the same engine. It burns engine oil from day one and getting progressively worse. I looked up and found a bulletin for my car to be repaired. I took it in and they agreed that my car fell under that bulletin according to the VIN but, that I had to wait for the engine light to come on. By my calculation that won't happen until one oil change after my warranty is up. Don't take a chance and buy Mazda’s. They don't stand by their product unlike Honda. Mazda will do whatever it takes to avoid paying to fix the problem, even when they themselves admit that there's a problem. My advice, stick to Hondas and Toyotas. I’ve had problems with their cars in the past but, they always fixed my warranty issues without question and after that they ran forever. Don’t fall for talking point that Toyota and Mazda are now collaborating and even use the same assembly line. It means nothing.
I’ve had issues in the past that Mazda took care of, no problems. Want to here my horrible Honda stories?
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My wife traded in a 2019 CX5 Touring for a 2021 CX5 Signature with the 2.5 turbo. Her low oil light came on at about 8,500 miles. I checked it, and filled it. It was at least half a quart low. I went to the Mazda service department, and they told me it was a known issue caused by the wrong valve seals being used. Apparently they produced a very small number of diesel engines, and somehow the valve seals for that engine were 'accidentally' used in some of the 2.5 turbos in 2021. I don't believe the 'accidental' part. I imagine they just had leftover valve seals from the diesels and figured they could use them in the gasoline version. In any case, he told me Mazda was still trying to figure out how best to fix the issue but at the lowest cost possible. Mind you, this was just a couple months ago that I stopped at the dealer. Around middle of November 2022. So they can engineer the Skyactiv engine, but they can't engineer a fix for this issue yet? I agree that they seem to just be hoping that through attrition these engines will fall out of warranty or people won't even do research to see why their vehicle keeps needing oil. It will be our last Mazda. Lucky for us ours is a lease that we can turn in.
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If I were in your shoes I would go to another dealer or call Mazda USA. Of course since it’s a lease you really don’t have to worry. Honestly I’ve owned numerous cars from Audi to Volvo and sadly sometimes it comes down to luck. Bottom line every car company has issues with some of their cars.
No, I found this post when I was searching for updates to this oil usage problem. I just wanted to share my experience, and what I was told by our dealer just a couple months ago. My wife and I have no hopes that they're going to actually address this issue, so once again 'I'm glad we leased it'.
Seems to me you just registered to bash Mazda. Maybe you should try a different Mazda dealership.
The 2019 CX5 Signature had a diesel variant that was available for a short period of time in the United States. However, Mazda sells QUITE A BIT of diesel variants in Japan and Europe, and has for decades. So it is reasonable there may have been some items mislabeled or boxed wrong.
Either way, it seems to me you and the other person claiming issues that are going unsolved or that the dealership is seemingly not caring about seems suspect.
There are multiple cases of this issue all over the internet, and people researching it. I think people have a right to know when a manufacturer is acting sketchy and failing to address a serious problem. A brand new $40K+ vehicle shouldn't be burning half a quart of oil with only 8,500 miles on it. Anyone here can contact their Mazda service department to confirm they've issued a TSB on this.
Well, imagine how the BMW owners feel about the money they spent and the amount of oil their cars can potentially burn.
Where is this TSB that keeps getting referenced? Everything I’ve found on this is for 2021 engines. This thread keeps talking about the 2021 and earlier CX-5 and other models that were affected, NOT the CX-50. Sure, same engine, but I'm not seeing or hearing of this issue on the 2023 turbos. Maybe there is a slim, small, offset chance an old part slipped through, but I'm confident it is not as widespread as this thread is attempting to make it.
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