Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Switching to E85 good or bad? › Reply To: Switching to E85 good or bad? August 4, 2021 at 11:32 am #992027 Steve W.Participant If it has never run it before you might have an issue as E85 will act like a super fuel system cleaner and will flush loose anything in the fuel system. That can cause issues with injectors sticking.