2001 2.5l Ranger
so I’ve been combating this issue for a while now. To go down the list here’s what I have replaced.

Battery
IAC valve
MAF sensor
Spark plugs/wires

It has a remanufactures head, I have triple checked all intake hoses and they are connected. I have checked the timing 3 times and made sure all was well in that department. Air filter is clean and nothing is blocking the path of air into the motor. Whenever I changed the IAC valve and started it the first time, it seemed to idle well although maybe high. I didn’t let it run long before I turned it off. After I restarted it again it started idling like this again. It will go high then low a few times before stalling and shaking the motor. In the video I cut it off at the end as it started shaking pretty bad right before dying out. I’m baffled and ready to give up. Any and all ideas and questions are welcome.

Video is here:

Sorry I left that out. 2001 2.5l. Also the battery was drained from the amount of starting and stopping it without the alternator having time to charge it. Had it hooked up to the battery charger before it was started. Reading the Haynes manual it says to line up the triangle.

New videos for anyone with ideas. First video was first attempt to start. Cold start and only thing I’ve messed with was shoved the oil stick tube further in its hole and attached a ground wire to the block I found. I did not touch the throttle at all in the this video.

second video I started throttling half way through to see how it would react. I turned the vehicle off at the end of both videos, never completely stalled out.

I still haven’t worked out this problem. Although today I noticed that while the dome light is on when the motor is running, when it starts to stall the dome light turns off then back on whenever the engine speed picks up again. Could be nothing but I’m lost here.