Originally Posted by pdqparalegal1
Describe "very bad things"
The def will crystallize in the diesel (or almost anywhere other than in the tank). When it does, it travels downstream and clogs injectors, and makes it thru the entire fuel system which will make most fuel system components have to be replaced. This includes, fuel lines, filters, lines, injectors, modules, tank drained and flushed, and flushed again, possibly the high presdure fuel pump...im probably forgetting a couple things.
$10k actually is very cheap. Im guessing for that price the high pressure fuel pump (aka injector pump) did not need replaced. If those get trashed, then metal shrapnel travels the whole system as well.
Bad news, kinda like what gas will do but worse. You can run a little bit if gas (very little) with out trashing the injection pump. Def you shouldnt run engine at all.