What Causes the Car Throttle to Become Heavier?

1 Answers
PiperDella
07/29/25 7:49pm
Reasons for the car throttle becoming heavier: The key factor for an electronic throttle becoming heavier is the pedal itself being obstructed by foreign objects. Therefore, when inspecting the electronic throttle, the focus should be on checking the pedal area for any blockages or jams, followed by clearing them. Most car throttle pedals are equipped with a spring underneath, whose primary function is to return the pedal to its original position. However, if the spring's tension is too strong, it may also cause the car throttle to become heavier, in which case the spring needs to be replaced. Although spark plugs are components of the car's ignition system, aging spark plugs can lead to severe carbon buildup in the engine, even affecting the engine's operational state. If the car hasn't had its spark plugs replaced for a long time, it is recommended to install a new set of spark plugs.
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