Currently the off-highway diesel fuel (non-taxed, red colored) contains the
same formulation of sulfer as what you buy for on-highway use (500 parts per
million). What I am unsure about is whether or not it will move to the
ultra-low formulation of 7ppm when the on-highway stuff does in 2007 or if
it will remain at 500ppm for a while longer (and how much longer if it
I'm not debating the legality or the morality of using the red fuel in a car
or truck, but just be aware that if you have an '07 model vehicle rated to
use only the ultra-low sulfer fuel then you will damage your motor using the
500ppm stuff regardless of what color it is.
However, if you have a diesel rated to use the current 500ppm fuel then it
will work just fine on the 7ppm stuff when it comes out.
Cheers - Jonathan
This is correct and low sulpher fuel can cause problems in older
diesel not rated for it. The impact from this is yet to be seen in
states. Also all diesel will have to comply, on and offraod diesel
will be low sulpher by the end of 2007.
I have put together a few links on low sulpher roll out and pontenail
problems that you can find via link below.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.