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Discussion Starter · #1 ·
My 21 Seltos S 2.0 AWD left us stranded the other day engine stalled and car would not go over 8 miles an hour...
After shutting off and turning on a few times no luck check engine light is on had to get it towed.

Another person on Facebook just had the same issue twice...

Dealer can I find no issues cleared codes misfire piston three and four cars running fine...

What's going on?
 

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I will make you aware that there is an outstanding recall on the Seltos for defective oil piston rings[RINGS ARE NOT TEMPERED ENOUGH]. Frequent stalling is one of the signs you may have that issue.Google it and you will see the full explanation.
 

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Discussion Starter · #3 ·
I will make you aware that there is an outstanding recall on the Seltos for defective oil piston rings[RINGS ARE NOT TEMPERED ENOUGH]. Frequent stalling is one of the signs you may have that issue.Google it and you will see the full explanation.
Thanks. I am aware of recall. This seems a little different, I think. Maybe a bad coil or fuel pump
 

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Then emc and their black box recording is horrible in these vehicles. We has an issue where passenger front wheel break was engaging periodically while driving. And the logs showed nothing even though it lite up the dash like a Christmas tree everytime it happened. Luckily I had a video of it.
 

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My 21 Seltos S 2.0 AWD left us stranded the other day engine stalled and car would not go over 8 miles an hour...
After shutting off and turning on a few times no luck check engine light is on had to get it towed.

Another person on Facebook just had the same issue twice...

Dealer can I find no issues cleared codes misfire piston three and four cars running fine...

What's going on?
I know I’m late to respond but this happened to me for the first time at 10K miles last week. This morning, I was told I needed a new engine. This is after having all the software updates and the piston ring inspection which came back all clear. My advice: be careful. The techs at your dealership may not be able to spot the issue.
 

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Discussion Starter · #6 ·
I know I’m late to respond but this happened to me for the first time at 10K miles last week. This morning, I was told I needed a new engine. This is after having all the software updates and the piston ring inspection which came back all clear. My advice: be careful. The techs at your dealership may not be able to spot the issue.
Interesting how did they determine you needed a new engine
 

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Interesting how did they determine you needed a new engine
All I was told at this point was that they “escalated the issue to the engineers” and that it may be piston rings. It sounded like the service manager didn’t know for sure. I’m still waiting to hear the full story. It’s a lease and under warranty, so they just went ahead and ordered the engine. The experience hasn’t left me with much confidence in them and I am considering trying to get out of this lease. It’s too bad, because I had planned to buy.
 

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Discussion Starter · #8 ·
All I was told at this point was that they “escalated the issue to the engineers” and that it may be piston rings. It sounded like the service manager didn’t know for sure. I’m still waiting to hear the full story. It’s a lease and under warranty, so they just went ahead and ordered the engine. The experience hasn’t left me with much confidence in them and I am considering trying to get out of this lease. It’s too bad, because I had planned to buy.
Please keep me posted. Thanks
 

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Please keep me posted. Thanks
UPDATE: Probably not Piston Oil Rings. I finally got the report back and now it makes a bit of sense.

A couple months prior to this issue, I went into my dealer for regular service/ recall inspection. I came out with a check engine light on. I went back an hour later and they told me my gas cap was loose and no codes came up when they scanned it (bs). They turned the light off and of course, it came right back on. I scanned it myself and got codes for Evap/knock sensor. I called the dealership and asked to be seen again and they said it would be 1-2 weeks but just go ahead and drive it if it doesn’t get worse. This may have been my mistake. I drove it for those 1-2 weeks with obvious knock, getting like 17 mpg max when I normally average 30 (which I informed them about).
I finally take it in again and it turns out the technicians had the knock sensor disconnected from last service. Maybe if I was more handy, I would have thought to check that but you know…why should I have to troubleshoot diagnostics on my brand new leased car 🙄. Anyway, I drove a decent amount during that time, which may have resulted in engine damage. However, everything was normal until September when it just totally failed.
Looking at the service record, the damage seems more consistent with what I would expect from this situation, not the piston oil ring. However, I’m not a mechanic. I’m sure the dealership was happy they could just let Kia take care of the engine replacement! Haha. At the end of the day, it looks like it was likely their goof (and mine for driving it when my gut told me I probably shouldn’t have).
 
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