Originally Posted by cssnms
. Power Service is DPF friendly.
I understand that's what their bottles say but if you ask them if product X contains any sulphur they will not answer. Technically to be DPF safe it would have to contain no sulphur because any sulphur will put your fuel over the limit allowed for ULSD. Strange I know. *shrug* I've also wondered how the PTFE(aka, Slickdiesel, Slick50, teflon) affects the DPF. Does it burn off? Turn to goo? Nothing?