How often should the throttle body of a Volvo S60 be cleaned?

[LeJace]

Volvo S60 throttle body should be cleaned every 40,000 kilometers. Effects of not cleaning the throttle body for a long time: 1. It may cause errors in the throttle opening degree. 2. It may allow impurities and air to enter the engine combustion chamber. Methods for cleaning the car throttle body: 1. Turn off the ignition switch and disconnect the negative terminal of the battery. Remove the throttle cable, intake hose, and screws fixing the throttle body. 2. Clean the throttle body with carburetor cleaner, and use cotton thread to wipe areas that are hard to reach. 3. After cleaning, reinstall the throttle body following the disassembly sequence, and check if the cleaned throttle body allows smooth air intake.