So I am at a bit of a loss here.
my sc400 has the annoying habit of being directed by the cupped lanes in the highway. Basically if I am to the left of my lane a bit the car pulls left as it touches the slightly higher pavement, if I slowly float over to the right side of my lane it will pull right once it reaches the other side of the slight road cupping.
Alignment is where it's supposed to be, had it set and was checked recently to be in spec. Tires are only 235 width so I'm not on crazy wide rubber and pressure is usually around 32-35psi
Only thing I know to be wrong steering wise is my speed sensor is bad so my variable power steering is always at full assist.

any idea what's going on? It's not a huge deal it is just annoying to have to stay perfect in my lane or hold the wheel like I have a bad alignment.

 

For a test jack the front pressure by about 4 psi. If your tires are worn on the edges it may not be a bad idea to leave it there.

 

I'll give that a try and see what happens

 

Check your rubber bushings holding the steering Rack. I had the same issue. I check the steering while on tires were on the grown, If you don't you will not catch the entire rack moving around. They sell replacement bushings online and Ebay.

 

I will try that. I think it's about time for bushings all around anyway she's a lil creaky when I first start driving out of the parking lot. Should just go poly all around