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What causes a car to stall while turning?

A car can stall while turning because of several factors. Here are some common causes:

1. Low Idle Speed: If your car's idle speed is too low, the engine may not be able to generate enough power to keep the engine running when the additional load is applied while turning. This is more likely to happen with older vehicles or vehicles with worn-out engines.

2. Faulty Idle Control Valve (ICV): The idle control valve regulates air flow to maintain a smooth idling speed. A malfunctioning ICV can cause the engine to stall, especially when under load, such as during a turn.

3. Vacuum Leaks: Vacuum leaks can cause the engine to lose vacuum pressure, which is essential for proper idling and overall performance. Leaks in vacuum hoses or gaskets can introduce excess air into the engine, disrupting its air-fuel mixture and potentially leading to a stall.

4. Dirty Throttle Body: A dirty throttle body can cause the engine to idle poorly or stall because it interferes with the proper flow of air and fuel into the engine.

5. Faulty Ignition Components: Issues with ignition components such as spark plugs, spark plug wires, or the ignition coil can prevent the engine from getting the necessary spark to ignite the air-fuel mixture, resulting in a stall.

6. Fuel Supply Problems: A restricted or blocked fuel filter, a faulty fuel pump, or a clogged fuel injector can cause insufficient fuel delivery to the engine, leading to a stall during high-demand situations like turning.

7. Power Steering Issues: If your vehicle is equipped with a hydraulic power steering system, issues with the power steering pump or a leak in the power steering lines can cause a loss of hydraulic pressure.

It's important to note that if your car frequently stalls while turning, it's best to have a qualified mechanic or automotive technician diagnose the exact cause and perform the necessary repairs to prevent further issues or potential hazards.