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What would make a car with an automatic transmission stall?

Several factors can cause a car with an automatic transmission to stall. Here are some of the most common causes:

1. Low transmission fluid: Insufficient transmission fluid can cause the transmission to overheat and stall. Check the transmission fluid level and add more if necessary.

2. Dirty transmission filter: A dirty transmission filter can restrict fluid flow and cause the transmission to stall. The transmission filter should be replaced periodically according to the manufacturer's recommendations.

3. Faulty transmission pump: A faulty transmission pump may not be able to provide sufficient pressure to circulate transmission fluid, leading to stalling. The transmission pump should be inspected if the transmission is stalling.

4. Faulty torque converter: The torque converter is a fluid coupling that connects the engine to the transmission. A faulty torque converter may not be able to transmit power effectively, causing the car to stall. The torque converter should be inspected if the transmission is stalling.

5. Electrical issues: Electrical problems, such as a faulty ignition switch, starter solenoid, or battery, can prevent the engine from starting and cause the car to stall. These components should be inspected if the car is stalling.

6. Engine problems: Engine problems, such as a lack of fuel or a faulty fuel pump, can cause the engine to stall. The engine should be inspected if the car is stalling.

If your car is stalling, it is important to have it diagnosed by a qualified mechanic to determine the cause of the problem and have it repaired.