ramseygoat38
Active member
Thanks for answer and reply. That is good to know.As spec'd by VW if your state mandates a 20% blend or less than it is still covered by warranty as far as the fuel goes. You are asked to check your oil more often to insure the level doesn't rise (I do this every fill up anyway) due to possible cylinder washing from post injections. In my experience using some 20% blends it is a non issue, but check anyway. Long ago someone here tried B100 in these cars when they were new and had this issue. I have read of no one really using B20 or less that has had any issue or with VW in the few mandated states that require this.
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