Car Stalls When Braking Hard - Online Wiring Diagram

Do what steve said and pull the vacuum line to the booster and cap it off and see if it still stalls. Lower it till you have to bounce the car slightly to get gas out of the sight plug hole.

Engine Vacuum Leak Symptoms And Solutions

Car stalls when braking hard. It is stalling out at stoplights. The brakes are then pressed the engine feels like it will stall and the idle can drop. Car is a 2011 subura legacy car idles fine subaru legacy 25i. Stalling can also happen if there is a brake line obstruction either by a chunk of rust or a pinched brake line. Car stalls out when brakes are applied 2011 outback 25 cvt. Apr 4 2011 8.

Car stalls out when brakes are applied abruptly no codes come up. If your brake pedal is stiff and it stalls when you apply the brakes it sounds like the diaphram in you brake booster may be ruptured. If you have a carburetor you may have a bad accelerator pump or power circuit. Ive seen a bad brake booster leak vacuum when the brakes were applied and almost killing the motor. You take your foot off the gas pedal to apply the brake but your engine begins to idle very roughly and then it stalls. Air in the brake fluid from a hole in the system can prevent proper pressure to the brakes.

Its noticeable to you as a stalling condition when braking and the engine is returning to idle. That means your power steering assist and the power assist for your brakes fail. Youll still be able to steer your car if it was moving when the engine cut out but it will be much much more difficult for you to do so. The car may also stall due to a vacuum leak in the anti lock brakes system. Engine stalls when brakes are applied when the brake booster is failing it can draw excess vacuum from the engine. If it was a high float level it would be the rear bowl.

This occurs when the diaphragm inside the brake booster fails and allows air to bypass the seal. Lou trottier is owner operator of all about imports in mississauga. If it doesnt stall then its time for a new booster. Yet when you restart the engine and run the car at higher speeds it seems to run fine or at least more smoothly. When a car engine stalls the cars accessories also fail as they draw power from the engine. Heres what could be wrong.

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