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2013 Optima LX 2.4L // 2016 Optima SXL 2.0L Turbo
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18 Posts
Discussion Starter · #1 · (Edited)
2016 Kia Optima SXL. Push button start (if that matters).

Can anyone relate to this? Once in a blue moon car will have a rough start up. But like 98% of the time it's fine.

When it does happen, it sounds weak, but usually if I get moving it goes back to normal.
Sometimes (very rare) it's so weak that it dies and I have to press start again.

Anyone know what this is? Spark plugs, coils, battery?

Just seeing if I can fix this on my end because engine bay has aftermarket air intake, strut bar and bov. I don't want to have to bring it into dealership if I don't have to.
I assume they'd place blame on whatever aftermarket parts they can. I do have stock parts but would like to avoid the hassle swapping.

Purchased car less then a year ago from dealership so I assume whatever engine recalls were done.
 

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Registered
2013 Optima LX 2.4L // 2016 Optima SXL 2.0L Turbo
Joined
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18 Posts
Discussion Starter · #2 ·
Also worth noting about to hit 82,000km had the car since 60,000km so I do believe spark plugs are due.
Believe I had this issue since 60,000km, it just so rarely comes up that I let it go.
Just wanted confirmation if people think that's the issue.

Also tried running CRC intake/turbo cleaner.
 
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