HomeAll RepliesReply To: 2014 F150 FX4 New Owner Reply To: 2014 F150 FX4 New Owner Sponsored February 19, 2022 at 7:31 pm #117070 FlashGParticipant Thanks James. Problem solved by replacing the valve cover gasket. It was dry, hard and very brittle. Sponsored Subscribe to Ford Authority For around-the-clock Ford news coverage We'll send you one email per day with the latest Ford updates. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored