What causes the slow throttle response in Wuling Hongguang S3?

[LaSebastian]

Wuling Hongguang S3's slow throttle response is mainly caused by insufficient fuel pump pressure, clogged fuel filter, abnormal throttle pedal signal, or engine control system malfunction. It is recommended to clean the fuel system, injectors, and spark plugs, and replace the fuel filter, air filter, and oil filter. If there is no significant improvement, consider replacing the components. More information about car throttle is as follows: 1. The throttle is a control device in a car that regulates engine thrust, also known as the throttle valve or air valve. 2. There are many factors that can cause slow throttle response, including fuel quality. Frequent use of low-quality gasoline can prevent the engine from fully combusting, leading to carbon buildup, which reduces fuel calorific value and thermal efficiency, ultimately resulting in different power outputs for the same amount of fuel injection.

[DiNatalie]

I've been driving the Hongguang S3 for several years, and the most common issue causing slow throttle response is an underperforming fuel system—either a clogged fuel filter or dirty fuel injectors leading to uneven fuel spray, resulting in a one or two-second delay after pressing the accelerator. Another frequent problem is a sticky throttle pedal itself, as the cables or wiring harnesses in older cars are prone to rust or dust buildup, making the pedal feel sluggish. The ignition system is also worth checking; worn spark plugs can cause delayed ignition, leaving the engine sluggish. I've encountered cases where excessive carbon buildup in the throttle body—common if you don’t drive much on highways—slows down throttle response. Additionally, if there’s an issue with the electronic throttle, sensor signal delays can make the ECU control less responsive. Regular maintenance is key: change the air filter and fuel filter periodically, clean carbon deposits, and the car will run smoothly. Don’t underestimate these small tasks—they can save you a lot on fuel costs.

[DanielaMarie]

When driving my Hongguang S3, sometimes the throttle doesn't respond when pressed, as if the car is dozing off. The main suspicion is an electronic system issue. The throttle control program in the onboard computer might have bugs, or the throttle position sensor is sending inaccurate signals, causing delayed response to pedal inputs. Another possibility is low battery voltage affecting the ECU's operation, leading to unstable engine performance. On the physical side, a dirty air filter restricting airflow can reduce power output. Worn-out spark plugs causing delayed ignition make starting even more sluggish. Start with simple solutions: check if the sensor connections are secure, upgrade the software, or clear OBD fault codes. Don't overlook routine maintenance—avoid dusty roads when possible and choose higher-quality fuel with fewer impurities.

[DiIsla]

Slow throttle response is mostly caused by mechanical and fuel system issues. Worn pedal mechanisms or sticky cables make it harder to press. Clogged fuel filters or dirty injectors result in insufficient fuel pressure. Worn spark plugs with low ignition efficiency lead to sluggish acceleration. Excessive carbon buildup in the throttle body causes poor movement and delayed ECU response. The inspection process is simple: first replace the air filter to see if there's improvement, then check fuel pressure and clean throttle body deposits. These minor tasks can be DIY to avoid unnecessary trips to the repair shop. Safety-wise, slow response increases rear-end collision risks while driving.