So I have a 1991 Ford F-150 its a non operation car but I want to get back on the rode its been sitting for at least 14 years and barley recently its been having some type of engine problem. Every other year it would turn on good. But here's how I explain it to you. ON January 14 turn it on engine sounded normal but two weeks later I go to turn it on again and this rattling and ticking noise is coming somewhere from the engine. I don't if an engine intake valve blew or something inside the engine broke. Can't find where or how that noise come up. Was it because in the time period of January 14- 28 their was some days that were really cold in the bay area and ice would end up on the wind shield so I don't know if that contributed to something happening to engine along with the raining weather at the time. I also have a youtube video of the engine running here it is https://www.youtube.com/watch?v=WfL51YA0pZE thank you.
My car has 64000 miles.
My car has a manual transmission.
Based on your video, it is very possible that a valve could be bent or sticking inside the cylinder head. I would recommend checking the oil level and condition to determine if the oil is causing this issue. If not, I would recommend removing the valve cover and inspecting the valves to determine if any damage exists. If any valves are bent or severely sticking, I would recommend having a cylinder head job performed to resurface all of the important parts of the cylinder head. This will also include a full cleaning of the head and valvetrain parts. After this has been done, the engine should run much better.
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