Loose suspention is usually the cause of this but it also may be a loose wheel have you had any work done in the last fifty to onehundred miles?
Depends on how hard you press the brakes
yes
You have a warped rotor.
yes, but only when the brakes are applied.
vacuum leak 65 power brakes run off a vacuum, when you apply your brakes you stop the air leak. 65;
dont press on the brakes .
Vibration when applying brakes is most likely warped rotors. Another cause could be loose caliper bolts.
worn front end parts (steering or suspension) could cause a car to shake when appling the brakes.
No.
Press the brakes or down shift
Probably the throttle position sensor.
i ment that if the sensor in the dash stays on after i press the brakes and dosent go off till i turn the car back on and dont press the brakes?