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2018 Kia Rio LX
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Discussion Starter #1
2018 kia Rio, 38000 km. Cylinder miss fire 0300, 0302,0304.

Is carbon build-up cover under warranty? If the miss fire is due to carbon build up?

I examined the spark plugs, they look fine, and I highly doubt its the spark or the coil.

Anyways, it's at the dealership now, but they keep trying to pin the issue on me, and saying stuff like replacing sparks, or do oil injector flush.... I am not even sure what is an oil injector flush.....

sound like the dealer is trying to sell me stuff.

Anyone work with warranty repairs? I am very curious to know the process. Kia does advertise their warranty as worry-free, no hassle... sound like a lot of hassle going to this dealer.
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