Why does my car turn off when I press the brakes?

Why does my car turn off when I press the brakes?

Most likely you have a problem with your IAC (idle air control) valve. They get gummed up with carbon deposits and stick. One other possibility is your power brake booster has a vacuum leak. This can easily be tested for by pinching off the hose connected to the brake booster and pressing on the brake pedal.

What causes a car to turn off while driving?

A malfunction in one of these may cause your car to turn off. The most common systems that will cause your car to turn off are the following: The electrical ignition system (battery, fuses, terminals, spark plugs). The fuel injection system (fuel pump, injection needles, hoses, filters).

Why does my car shut down when I slow down?

Common reasons for this to happen: If there is too much or too little oxygen, your vehicle will not have optimal power. Just like with low fuel pressure, the car will continue to operate at driving speeds, but this suboptimal power won’t be able to fuel the vehicle as it slows down.

What happens if your car engine stops while driving?

An engine that stops all of a sudden will cause you to lose control of your vehicle to some degree, especially if you’re driving fast. You also won’t hear it running anymore. This can happen with old and new cars as well. There are all sorts of reasons as to why a car engine would stop suddenly while you’re driving.

Why does my car keep cutting off when I stop?

Why does my car keep cutting off when I stop? If your car shuts off after you stop it is because the engine is very sensitive at idle. This can be caused by many things but is usually caused by a lean fuel mixture, causing the idle to drop too low.

A malfunction in one of these may cause your car to turn off. The most common systems that will cause your car to turn off are the following: The electrical ignition system (battery, fuses, terminals, spark plugs). The fuel injection system (fuel pump, injection needles, hoses, filters).

Why does my car diesel when I Turn Off the engine?

If the engine idle speed is too high, it may cause the car to diesel after it is shut off. Hook up your tachometer according to instructions and check the idle speed.

Why does my car run when the ignition is turned off?

With the ignition turned off and the car continuing to run, simply remove the plug from the alternator (DO NOT TRY AND REMOVE THE BATTERY POWER WIRE FROM THE POWER STUD!) and the car should shut off if the alternator is creating the problem. If it does not stop running, your feedback problem is coming from something other that the alternator.

An engine that stops all of a sudden will cause you to lose control of your vehicle to some degree, especially if you’re driving fast. You also won’t hear it running anymore. This can happen with old and new cars as well. There are all sorts of reasons as to why a car engine would stop suddenly while you’re driving.