Could be a bad wheel bearing front or rear.
You have either run something over or your car is due for a service
What kind of howling? Or is it a whining? Where does it sound like it's coming from.
Front wheel bearing(s).
The howling on my Ranger came from the IAC valve located at the top of the intake. Cost somewhere around $50.00 from a local autopart store.
most common is wheel bearings
drive by wire throttle causes the wrench light to come on... can be temporarily gotten around by stopping car, and turning it off and on, but a dealer should still check it to be sure nothing is permanently wrong
Temperature.
Europeans...
by the retina turning fatigue
u turning it off
That on/off trick makes it sound like a computer component and/or the oxygen sensor.
sensor or belt