Q: The brakes are spongy while the car is running but the pedal is normal when it's off

asked by on

My mom was coming over a bump the other day and when she got to the top she hit her brakes and they went out she could still use them but she would have to crush them always down the master cylinder was replaced and bled where's new brake fluid and now it gets hard when it's off but when you start it new releases it becomes spongy again the rotors are a little worn but I'm not sure if that could affect it

My car has 145000 miles.
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. The brakes are spongy while the car is running but the pedal is normal when it's off

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: My truck is starting to have a rough idol , I changed the spark plugs about 6 months ago.

The rough idle is often times associated with what is called an idle air control module/valve which regulates the air intake as it is mixed with fuel prior to being injected into the motor. When this is not working properly,...

Q: 2005 Ford escape, door ajar issues making alarm go off randomly and lights on even when door is closed

Hi there. Typically when you have an error with a door ajar warning light or the alarm constantly going off, it's caused by an open electrical circuit or a failure of one of the multiple sensors that monitors these systems....

Q: Brake pressure problems

One of the most common causes of the brake pedal going to the floor is a loss of brake fluid. Generally, this is easy to detect due to the fact that there is usually brake fluid leaking on the ground...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.