If it doesnt stall then its time for a new booster. If your egr valve is clogged dirty or defective it can cause your car to stall idle erratically or sputter depending on whether it is stuck open or closed.
Why Your Car Stalls At Stops And How To Fix It Axleaddict
Why does my car stall when i brake. Another potential transmission related cause of car stall is low transmission fluid levels. Stalling can also happen if there is a brake line obstruction either by a chunk of rust or a pinched brake line. Air in the brake fluid from a hole in the system can prevent proper pressure to the brakes. The car may also stall due to a vacuum leak in the anti lock brakes system. Do what steve said and pull the vacuum line to the booster and cap it off and see if it still stalls. A problem with the solenoid can also be a reason why a car stalls at idle.
Just check the level of transmission fluid in the car and top off to the required level. Car engines quit because of a variety if issues around air flow fuel or mechanics. Your vehicles brake system employs. You didnt mention how the car is running in general eg. 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. Either your power brake assist booster has a bad check valve in it causing a huge vacuum leak when you step on the brake vacuum leaks lean out the fuelair mixture causing stalling or you have an engine protect sensor that kills the ignitionfuel pump when the oil levels too low and its either got crud in it from running the oil too low or has otherwise malfunctioned.
Your torque converter has a lock up feature to improve gas mileageif you stop very suddenly sometimes you can beat the computer and bring the car to a stop with the converter locked which will stall the enginenormally the converter unlocks as you brake to a stop allowing the engine to idle. The good news with such an issue is that it is very easy and inexpensive to fix. Ill just assume the car is otherwise fine and suggest that you have a problem with your power brake booster or its check valve. 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. An empty gas tank. Whether or not the idle is nice smooth and it runs well when the brake is not involved.
Some common reasons for motor vehicle stalls include. When the actuator malfunctions the engine gets no signal for idling speed and stops working. A fuel mixture that isnt rich enough this is usually the cause of cold stalling and intermittent stalling a faulty fuel pump alternator or egr valve. Clogged or restricted egr valve.
Gallery of Why Does My Car Stall When I Brake
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