If your car stalls at idle one of the possible causes is a problem in the idle air control actuator. This component is responsible for managing the rpm of the engine at idle speed.
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Why does my car stall when i brake hard. Common reasons for this to happen. Your dealer thinks that when you slammed on the brakes suddenly the torque converter didnt have time to un lock and the car stalled just like a manual transmission car would stall if you stopped it in fourth gear without stepping on the clutch. The car may also stall due to a vacuum leak in the anti lock brakes system. Car stalls out when brakes are applied abruptly no codes come up. But that shouldnt happen. If you have a carburetor you may have a bad accelerator pump or power circuit.
It connects to the cars electronic control unit allowing it to make the necessary adjustments for a more efficient safer and smoother idle speed. Heres what could be happening. Car is a 2011 subura legacy car idles fine answered by a verified subaru mechanic we use cookies to give you the best possible experience on our website. Stalling can also happen if there is a brake line obstruction either by a chunk of rust or a pinched brake line. If the torque converter is broken or if there is a low fluid level in the transmission the converter will not do its job and the car will be unable to maintain power at low speeds which. Replace the accelerator pump or replace the carburetor.
Air in the brake fluid from a hole in the system can prevent proper pressure to the brakes. A vacuum leak anywhere in the engines intake manifold system will cause rough running and stalling and will be most problematic as the engine returns to idle. You really notice it when you come to a stop after which you have to push hard on the brake pedal to keep the car from moving. In a car with an automatic transmission the torque converter takes the place of the manual clutch and is responsible for transmitting power. Your vehicles brake system employs.
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