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02/01/2021 6:27 pm
Topic starter
I own a 2016 Kia Forte with direct injection. My engine oil analysis by Blackstone was good, no insoluble, low chromium, etc. I am concerned about keeping the intake valves from fouling up with carbon. What do you recommend? CRC valve cleaner, oil sump filter?
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02/01/2021 6:38 pm
miles?
