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Do I need a fuel additive?
A question for the diesel forum. Before the industry started offering ULS diesel fuel (low sulfur), I used B20 biodiesel blend in my 2000 NB tdi, and enjoyed the benefits of increased lubricity, and smoother operation over the "dirty fuel" commonly used until 2008/2009 period.
Now I drive a Q5 tdi, using the cleaner ULS fuel, and wonder if I need to use an oil additive to counter the lower sulfur "lack of lubricity" claimed by many. Does anyone have an opinion on this?
I'm not a high mileage driver (8m-10m miles/year), but I do want my tdi to have the best drink that is practical.
Thanks for your learned opinion.
Tenderfoot
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Tenderfoot 
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