ColdBlackWind
Well-Known Member
Everywhere I turn I read more horror stories about DEF system failure. My understanding is that this 2018 299D2 purges the DEF lines when engine is shut down. Is there anything else I should do across 3 months of non use? Kind of related topic. Any news or observations about relaxing regs on removing after treatment systems or eliminating there use on new off road diesels?