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2020! too soon?
2020! too soon?
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Old 03-08-19, 08:10 AM   #31
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Default Re: 2020! too soon?

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Originally Posted by raisingAnarchy View Post
It's still speculation when there's no proof

Give it another month or so
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Old 03-08-19, 08:39 AM   #32
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Default Re: 2020! too soon?

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Originally Posted by Leemanfor View Post
my last car was DI and i never experienced random misfires or really any issues due to valve coking, and they were pretty bad when I got around to cleaning them with solvent and walnut blast. I did notice a bit better gas mileage once I did it but I went almost 100k with no AOS or cleaning.

A low ash oil helps also.
I'm probably still hung up on the horror stories from Audi and BMW owners. I understand that there are a number of tricks available to manufacturers with valve timing and such to lessen the risk of buildup, and I feel like we'd have seen a number of complaints over on nabisco if FA20 valves were getting buildup like the BMW N54s were.
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