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What Causes Sudden Engine Stalling While Driving?

1 Answers

Roman

07/30/25 6:26am

Possible causes of sudden engine stalling while driving include: 1. Excessive carbon buildup in components such as the throttle body, idle control valve, intake manifold, intake valves, and combustion chamber. 2. Fuel line blockage, stuck idle control valve in the throttle body, or malfunctioning relay box. 3. Poor fuel quality with excessive gum deposits clogging the fuel system and causing inadequate fuel supply. Recommended solutions for sudden stalling while driving: 1. For automatic transmission vehicles - firmly grip the steering wheel with both hands to maintain control (as power steering will be lost), apply strong brake pressure to reduce speed, then quickly shift to Neutral (N) position. 2. For manual transmission vehicles - thoroughly clean the entire fuel system including injectors, throttle body, and fuel tank. 3. If stalling occurs during idle, simply cleaning the idle control valve should suffice.

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How to Turn Off the Auto Start-Stop Function in an Automatic Transmission Car?

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What are the differences between driven wheels and driving wheels?

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