2012 Ford focus se manual high speed vibration
So when I am driving down the free way my car is
smooth until I get to 70mph through 79mph, I get a
pretty noticable vibration accelerating or maintaining
speed. It mellows out if I let it the peddle but
immediately starts to vibrate worse when I continue
accelerating. It also goes away if I go 80mph and above.
Any ideas what this could be or what the fix is?