Lincoln Aviator?????????????????????????????????????

[WesL]

If you have a Lincoln Aviator and I know lincoln recommends premium fuel could you put regular in it?What would it do to thge engine?

[Silverstang]

If you don't put the recommended fuel in, it may cause slight loss of performance, have pinging issues, or knocking, and if you take it in, and they find out you had put the lower grade fuel in, they might not try to work on your vehicle, considering you might not have followed the manufacturer recommendations.