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Kia 2.0 GDI Oil consumption #5231233 10/05/19 03:59 PM
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rmcnamara Offline OP
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I have a 15 Soul 2.0 GDI with approximately 105000 miles. I have notice a pretty high oil consumption of about 2.5 qts in about 2k miles. I have been using super tech 5w-20 full synthetic. I did some research and spme people said to replace the PCV valve. we will see if that makes any difference. Can anyone point me to an oil with a low volatility. Preferably not in the ultra high end category like amsoil etc.
Thanks

Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231249 10/05/19 04:19 PM
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danez_yoda Offline
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I highly doubt changing the oil will make a difference. Super tech went head to head with Redline on Project farms test of evaporation loss. It was a close fight that redline slowly edged out.

https://www.youtube.com/watch?v=zwqt5vI0o1A

Three main things.

1) Coked piston rings allowing oil to get burned.

2) PCV

3) valve guides leaking.

all of this assuming there was no oil leaking onto the ground.

Re: Kia 2.0 GDI Oil consumption [Re: danez_yoda] #5231253 10/05/19 04:22 PM
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rmcnamara Offline OP
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Forgot to add that underbody was dry. i changed pcv. how would I know of the other 2 main reasons?

Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231273 10/05/19 04:43 PM
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Danno Offline
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I would go with 5W-30 PYB. No need for a synthetic with that much oil consumption. Going up a grade may lower the oil use.


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Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231276 10/05/19 04:46 PM
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Mad_Hatter Offline
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Evaporation ain't your problem...

Bump it up to a 5/30 HiMi or maybe even a 10w30. The HiMi may or may not help with oil loose rings and valve seals but at +100k miles that train may have left the station. If you're not doing extended drains you might consider just using a dino since your cars got a drinking problem. An El Cheapo UOA would give some visibility into just how how "bad" things are inside... something to consider.

Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231290 10/05/19 04:58 PM
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csandste Offline
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Why not do ST 5-30 Hi Mi? I have no burning of oil at all in my 17 with pushing 70K. Did this start suddenly?


2017 Kia Soul+ Valvoline Daily Protection 5w30+ a bit of Harvest King syn 5w30-- 75,000 miles
Re: Kia 2.0 GDI Oil consumption [Re: csandste] #5231314 10/05/19 05:25 PM
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rmcnamara Offline OP
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I have done a few UOA's on this engine it didnt show any issues. I am very good with oil changes with an interval of about 5000. This issue has started recently. I am going to change the oil soon and really keep an eye on it.

Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231339 10/05/19 05:45 PM
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Mad_Hatter Offline
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Originally Posted by rmcnamara
I have done a few UOA's on this engine it didnt show any issues.

A problems never a problem until it's a problem.😉 So past UOA's are basically irrelevant at this point.

Sounds like you prolly know what to do already... good luck 👍

Last edited by Mad_Hatter; 10/05/19 05:45 PM.
Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231346 10/05/19 05:50 PM
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demarpaint Offline
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I'd bump up a grade in a HM oil. Or try a Kreen, Rislone, or MMO treatment with a higher viscosity HM oil.


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Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231351 10/05/19 05:55 PM
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csandste Offline
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Did you just change PCV. One thing at a time if you want to find out what's going on


2017 Kia Soul+ Valvoline Daily Protection 5w30+ a bit of Harvest King syn 5w30-- 75,000 miles
Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231356 10/05/19 06:06 PM
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danez_yoda Offline
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Finding out which is it is a job for a mechanic. They have diagnostic techniques. it might be a wet and dry compression test for the rings and a bor-o-scope check for the valve stems.
I would hit up the KIA forums to see if someone successfully stopped oil consumption after it started.

Many moons ago I use to heat about Maxlife doing that very well. Now with all the high mileage oils on the market, they might be worth a try as well. Give them 2-3 OCI to work though not just one. it takes a while to correct the problem.

I never recommend oil additives but Scotty Kilmer recommends AT-205 reseal

https://www.youtube.com/watch?v=ZngmqiVezAY&t=180s

Re: Kia 2.0 GDI Oil consumption [Re: demarpaint] #5231482 10/05/19 08:29 PM
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jqgz Offline
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Originally Posted by demarpaint
I'd bump up a grade in a HM oil. Or try a Kreen, Rislone, or MMO treatment with a higher viscosity HM oil.

Plus 1 for kreen and hiMi 5 w-30 supertech

Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231729 10/06/19 07:40 AM
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Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5231859 10/06/19 10:08 AM
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nascarnation Offline
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The really important point is to keep it from running low and potentially damaging the internals.
So checking the oil level at each fuel fill would be good, like pretty much everybody did 50 years ago.

Re: Kia 2.0 GDI Oil consumption [Re: rmcnamara] #5232282 10/06/19 06:36 PM
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rmcnamara Offline OP
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I am going to be keeping a close eye on it. I had seafoam on hand so I added that and in a couple of days i will be changing the oil with some PYB hi mileage 5w30.

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