Have a 17 I read in the manual there is a option to have one your up lifter switches to keep your engine idle up. when its cold ? they use to be on the cruise control so you could raise your rpm up . when idling. does any one have that option on there's. ford dealer here never heard of that. I...
I know a lot of you guys don't run def no more ,but since I have a 17 I will keep using it.. QUESTION IS . Is there any difference is DEF brands ? I know its mainly water for the most . just don't want to put just anything in it.
Thanks...