Idk if this will fix the issue or not but it's worth a try. Disconnect the wire connected to that specific buckle.
I had a similar issue with my mustang. The car always thought the driver seat belt wasnt buckled when it was. This lead to constant dinging. Somehow unplugging the wire from...
I'm old school. I will change my oil every 3k miles. Especially since the ecoboost uses oil to lubricate the Turbo.
I literally just changed my oil earlier this week at like 3.1k miles. The oil was black. After the change, the truck drove so much better.
I also run full synthetic.
Can you give some more context? For example, did it stop moving while driving? Or did you park it and now upon trying to drive it, it wouldn't move?
Was it shaking, slipping, etc before it stopped working? Any lights on the dash?
You said that you have a kicker amp. Where did you mount that?
Also, being a kicker key 200.4....how did you handle the rear speakers' sound? As is, the sound levels/eq are different for the front and back. Did you just leave it as is and amplify them or did you somehow force a flat eq?
The
I have a shake too. I KNOWWWW that's coming from my tires because I didn't have the shake before hand. Go back to where you got them and ask them to confirm the balance and/or do a high speed balance.
After a lot of testing, I noticed that I could simulate the sound by rocking the truck back and forth aggressively. Armed with this info and my speculation of it being a mount issue...I located and confirmed that it was the trans mount.
If I rested my hand on the mount while rocking the...
I had this happen to my truck. Ford fixed it and added some new grommets.
After that, i researched the issue and discovered that the screws were the problem. Seems as though tightening the screws force the tail light to popout. Before you spend money on this, try just loosening the screws first.