1. Brake Booster Failure: If the brake booster, which assists in applying the brakes, fails, it can cause the brakes to lock up unexpectedly. This can lead to the engine cutting off as a result of the sudden increase in resistance to the wheels. When the brake booster regains power, the engine can crank back up and run again until the booster fails again.
2. ABS Module Issue: A faulty or malfunctioning anti-lock braking system (ABS) module can also cause the brakes to lock up intermittently. The ABS system is designed to prevent the wheels from locking up during braking, but if it's not working properly, it can cause the brakes to lock up and release unpredictably, resulting in the engine cutting out and restarting.
3. Transmission Problems: In some cases, transmission issues can also lead to the brakes locking up. For example, if the transmission is slipping or has a problem engaging properly, it can cause the wheels to lock up intermittently, leading to the engine cutting off and restarting.
4. Electrical Problems: Electrical issues, such as a faulty ignition switch or a problem with the wiring, can also cause the engine to cut off and restart unexpectedly. These issues can affect the power supply to the various components in the car, including the brakes and the fuel system, leading to intermittent problems with braking and engine operation.
5. Fuel System Issues: If there is a problem with the fuel system, such as a clogged fuel filter or a faulty fuel pump, it can cause the engine to cut off and restart unexpectedly. A lack of fuel reaching the engine can lead to the engine stalling, and when the fuel flow resumes, the engine can crank back up and run again until the fuel issue occurs again.
It's important to have your car inspected by a qualified mechanic to diagnose the exact cause of the problem and ensure the safety and reliability of your vehicle.