My 2023 F-150 3.5L eco boost has had this same issue. Been to the dealership 4 times. Had this TSB update done twice. It did not fix the problem. With only 10300 miles this shouldn’t be a problem I have to deal with. I can’t even drive a reliable truck. Started a buy back request through ford...
So I’ve got a 2023 3.5L eco boost with 10300 miles that has had this TSB performed on it twice that is in the shop for the 4th time due to that not fixing the issue. Any other suggestions? I’m about ready to have ford buy it back if they can’t fix it. 4 times to the shop and 2 of the same...