Lincoln Repair Questions? Ask a Mechanic for Answers ASAP
Hello, my name is Bobby. Thank you for the question. Most of the time when the misfires come at certain speeds it is due to a fuel pressure issue. It can be from a weak fuel pump or a clogging fuel filter. Either of these will cause misfires on multiple cylinders. It can also be the start of a valve timing issue but that is not as common. I would start by replacing the fuel filter and then checking the fuel pressure. Let me know if you need more help.