Rotors out of round and need to be replaced or resurfaced?
The friction between 2 objects makes them squeak
mud
that could be a wheel bearing that's gone bad.
all gasoline injectors are driven by the ecm, or engine control module.
Maybe you need to improve your suspension and your vehicle can't handle the power of your brakes.
brakes
Your brakes are probably getting low and they are rubbing against the rotor.
If your car makes a squealing sound when you are turning it is because your brakes have worn out. When the brakes wear down below a certain point, a wire pops loose. That makes a squeaking sound.
Brakes, and a lack of driving force.
Brakes or lack of propulsion.
The brakes.
Yes, Firestone makes great brakes. A lot of professionals use Firestone in the cars they repair.