What Causes the Lavida to Have No Response When Accelerating?

[VonJoel]

Lavida's lack of response when accelerating could be due to sensor failure, computer control system failure, unstable oil pressure, and other reasons. Sensor Failure: Throttle position sensor failure, acceleration sensor failure, thus unable to receive acceleration signals. Computer Control System Failure: Engine computer control system failure, unable to effectively send acceleration signals, communication issues, throttle body being too dirty causing sticking, etc. Unstable Oil Pressure: Such as abnormal oil pump pressure; clogged gasoline filter; blocked oil lines or excessive impurities; injector quality issues or affected by foreign objects, excessive impurities leading to poor or no fuel injection; incorrect fuel grade, excessive water content, excessive impurities, etc. Ignition system components like distributor, ignition coil, high-voltage wires, etc., malfunctioning; spark plug ignition failure, poor or no ignition, resulting in no response when accelerating.

[NevaehLee]

I've driven many Lavida cars, and unresponsive acceleration is quite common. The main reasons could be electronic throttle system failures, such as issues with the throttle position sensor or wiring, preventing the ECU from receiving correct signals and causing the engine to not respond. It could also be abnormalities in the fuel system, like a fuel pump failure, clogged fuel injectors, or a dirty filter affecting fuel supply. Then there's the intake system—a faulty air flow meter can cause uneven air mixing, making the engine lose power. Also, a stuck or dirty throttle body can prevent acceleration even when the pedal is pressed. If you encounter this situation, don't delay—safety first. First, check the fuses and simple wiring connections. If that doesn't help, go to a professional shop for a check-up to avoid breaking down on the road. Regular cleaning of the intake system can prevent problems before they occur.

[TylerRose]

Last month, my friend's old Lavida had the same issue—when accelerating, the car crawled like a snail with painfully slow speed. He found that the wiring under the accelerator pedal had come loose, and a gentle push fixed it in place. It could also be due to worn-out spark plugs causing weak ignition or a stuck idle motor interfering with throttle response. Poor-quality gasoline can lead to severe carbon buildup, clogging the fuel injectors. My suggestion is to first try restarting the engine. If the problem persists, pop the hood and check for loose wiring harnesses or connectors. Don’t forget to inspect fuel tank pressure and the condition of the filter. These minor issues can often be diagnosed at home, saving unnecessary repair costs. If you can’t resolve it yourself, get it serviced promptly—otherwise, overtaking on the highway could become dangerous.

[SebastianAnn]

Unresponsive throttle is commonly caused by a faulty throttle sensor, which fails to send signals or the ECU misinterprets commands. A weak fuel pump leads to insufficient fuel supply, starving the engine and causing poor performance. Carbon buildup clogging the throttle body affects airflow, resulting in sluggish acceleration. Control module failure is another factor. Pull over immediately and check basic safety. Regular throttle cleaning and air filter replacement can prevent such issues.