Help...diesel fuel issue

[Bobsprinter]

I filled up Mercedes sprinter with diesel that wasn't extra low sulphur 30 miles ago. What damage have I done? I'll find somebody to take it out of tank Monday.

Thanks!!

[Protagonist]

Originally Posted by Bobsprinter

I filled up Mercedes sprinter with diesel that wasn't extra low sulphur 30 miles ago. What damage have I done?

The main effect from using diesel that is not ultra-low sulfur will be to your DEF system.

[Bobsprinter]

Just found out that, even though not labeled, was indeed ultra low sulphur. Turns out pumps for little cars. Trucks are labeled but truck pumps aren't, but it is all ultra low sulphur. Whew!!������

[Protagonist]

Originally Posted by Bobsprinter

Just found out that, even though not labeled, was indeed ultra low sulphur. Turns out pumps for little cars. Trucks are labeled but truck pumps aren't, but it is all ultra low sulphur. Whew!!������

Be aware, though, that in some parts of the country you CAN find low-sulfur diesel for off-road use in the same stations as the ultra-low-sulfur variety, especially in farming communities. Low-sulfur diesel is commonly used in tractors and other motorized farm implements, and it's cheaper because road use taxes are not included in the price. Non-road-use diesel typically contains a red dye to provide visible evidence of misuse.

[Titus]

Ultra low sulfur fuel is 15 ppm. Low sulfur is 500 ppm. Low sulfur will not hurt your DEF system. (Actually what Proteg should have said is your SCR system). DEF is the fluid that goes into the SCR system. But low sulfur fuel will hurt (poison) the catalyst part of the diesel particulate filter. But not to worry, even nonroad fuel is now ultra low sulfur - and has been for several years. But watch out for BP - their green nozzles are not diesel, they are gasoline. And that WILL HURT YOUR ENGINE.

[Protagonist]

Originally Posted by Titus

Ultra low sulfur fuel is 15 ppm. Low sulfur is 500 ppm. Low sulfur will not hurt your DEF system. (Actually what Proteg should have said is your SCR system). DEF is the fluid that goes into the SCR system.

You are quite right. I got my tongue wrapped around my eye teeth and couldn't see what I was saying…

[Bobsprinter]

Thanks you guys. I love this forum. It is so helpful. HUGE quantity of first rate knowledge out there. Thanks!!