How many kilometers should the throttle be replaced?
2 Answers
The throttle does not have a fixed replacement mileage or service life. It should be replaced whenever it fails. The throttle, often referred to as the engine's throat, controls the amount of air entering the engine. Over time, carbon deposits may accumulate on the back of the throttle. Car owners can periodically clean these carbon deposits. When cleaning the throttle, it should be removed and cleaned with a professional cleaning agent. After cleaning, it should be wiped dry. After reinstalling the throttle post-cleaning, the car's computer should also be reset; otherwise, the vehicle may experience increased fuel consumption in the short term.
After driving for a long time, I've realized that the throttle body doesn't need to be replaced at fixed mileage intervals—the key lies in maintenance and cleaning. Excessive carbon buildup can affect engine air intake, causing the car to shake, increased fuel consumption, or poor acceleration, which is when you should address it. Typically, cleaning every 40,000 to 50,000 kilometers is sufficient; replacing it too early is unnecessary and a waste of money. I've encountered many situations, such as city driving making it dirtier, where cleaning at 100,000 kilometers is fine; highway driving can go up to 150,000 kilometers without major issues. When cleaning, use professional tools and avoid disassembling it haphazardly. Only consider replacing it if symptoms are severe, like difficulty starting. In short, don't wait for fixed mileage—check the car's condition more often. My habit is to have the mechanic inspect it during every maintenance session to keep it clear and extend its lifespan.
