Join Date: Oct 2010
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Re: EEK! They've taken the sulfur out of Marine Diesel!
I was just reading my Yanmar engine manual. One thing it said was sulfur in diesel fuel can mix with any water in the fuel (and all fuel probably has some water mixed in, even if you have a fuel water separator) and create sulfuric acid which will attack your fuel pump and injection valves. So it seems no sulfur in the fuel is a good think, as long as additives are there to get the lubricity up.
I do add a lubricant and algacide to the fuel, just in case.