I'm with Kachow, Buy a 2019+ with ESP and drive it. I looked at 5 350's before I bought. 2 had replacement motors, both were heavily tracked. I talked to 2 local Ford dealer service departments and both said the Voodoo engine is reliable in their opinion. I've had a good relationship with both...
They told me the same. That's why I fixed mine myself, the picture is post repair. I wanted to keep the site tube, nothing wrong with plugs if that's what you like.
Here is your Mishimoto replacement fittings 1/4''OD 1/8''MNPT .
https://www.amazon.com/gp/product/B08721F3ND/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
I the same question, but my 2019 GT350 (purchased new at the end on 2020) only has 4600 miles and is unmodified, never tracked. Its never any problems and I normally keep my cars 7-8 years. Very little chance of it still having any warranty when I sell it.
Best Ford ESP price I've found...
I eventually removed my 87mm (gt350) throttle body and put the stock TB back on. After re-tuning the car, I believe it was fixed. I drove the car for 2 months with no issues till I sold it in Oct, 2022. Picture is from initial install of the GT350 intake, TB, Steeda CAI.
I'm assuming you have camber plates. They are needed for proper alignment on a lowered car. When I lowered my 2015 GT I had the local dealer do the alignment without plates. 6 months later I needed front tires. They improperly changed a bolt on each of my front hubs to get the alignment. The...
The problem with electric power steer system is everything is internal to the steering rack, including control module. Unless you have a bad ground or a blown fuse.
I had this on my 2013 Ford Focus had this same fault "steering assist". The internal electric motor in the steering rack went out. It cost me about $1800 to replace. Good Luck.