Why Does a Car Stall by Itself?

1 Answers
Lawrence
07/29/25 6:13pm
Detailed reasons and solutions for car stalling are as follows: 1. Poor fuel quality: The use of low-quality fuel can lead to engine carbon buildup, resulting in stalling. Solution: Replace with higher-quality fuel. 2. Low idle speed: A dirty idle speed motor causes insufficient air intake, or a dirty throttle body leads to insufficient air intake, resulting in stalling. Solution: Clean the idle speed motor or throttle body. 3. Damaged fuel system: Issues with the fuel system, including a damaged fuel pump, clogged fuel lines, clogged fuel injectors, or abnormal fuel pressure, can cause the car to stall. Solution: Visit a 4S shop for repairs.
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