Kerosene wont harm your engine, it just may run with a little less power unless you add a small amount of oil of some sort(like Ops said). way up north kerosene is called #1 Diesel because it doesnt gel like #2 Diesel which we have down south,
That is to best of my knowledge.
__________________
93' Dodge W-250 Ext. Cab Black and Silver, Modifications improve with income...