My cars acceleration stutters when I accelerate the majority of the time. Doesn't seem to matter the weather. I also have noticed a motorboat sound or loud hum when I accelerate but never when I'm just idling, coasting, or breaking. Does anyone know what could be wrong?
My car has 156000 miles.
My car has an automatic transmission.
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing