Why Does the Car Keep Stalling?
3 Answers
The main reason for frequent car stalling is the use of low-quality fuel, which leads to carbon buildup in the engine and causes stalling. Here are ways to prevent frequent car stalling: 1. Refuel at reputable and qualified large gas stations. 2. Follow the engine's compression ratio or the requirements in the car's manual when refueling, which is more scientific, economical, and maximizes engine efficiency. 3. Perform regular maintenance and frequently check if the fuel and electrical systems are functioning properly. 4. Higher-octane fuel burns slower, resulting in lower combustion knock, and requires a higher engine compression ratio. Conversely, lower-octane fuel burns faster, produces higher combustion knock, and requires a lower engine compression ratio.
My car keeps stalling while driving, which is really annoying. The most common reasons are aging spark plugs or too much carbon buildup. Spark plugs typically need to be replaced every 40,000 kilometers; otherwise, poor ignition can cause the car to stall suddenly. Another possibility is a faulty fuel pump that stops supplying fuel, especially noticeable when going uphill or accelerating. A stuck idle control valve can also cause this, making the engine speed unstable. I once stalled at a red light, which was extremely embarrassing and nearly caused a rear-end collision. So now, during regular maintenance at the shop, I always remind the mechanic to check these areas. Additionally, a clogged air filter or insufficient battery voltage can also lead to stalling, so it's important to clean or replace them promptly to avoid turning small issues into bigger, costlier problems. Finally, using low-quality gasoline can cause fuel line blockages and more issues, so always fill up at reputable gas stations to keep the engine running smoothly.
Frequent stalling is quite dangerous, especially in busy areas. I've found that when a car stalls suddenly, the first thing to do is to steady the steering wheel, turn on the hazard lights, and gradually slow down to pull over. Common causes include loose battery terminals or alternator failure, which can interrupt power supply and cause stalling. Another possibility is a faulty crankshaft position sensor, which fails to monitor engine speed—this happens particularly often during sharp turns or sudden braking. Once the engine stalls, both power steering and brake assist are lost, increasing the risk of accidents. That's why I always check the battery condition before driving to avoid issues during long trips. Regular maintenance is crucial, such as checking the alternator's output voltage every two years—it should normally be around 13.8V. Additionally, driving on bumpy roads can easily trigger stalling due to poor electrical connections, so a thorough inspection before departure is essential to prioritize safety.
