Gather throttle body cleaner, clean lint-free rags, soft brush, screwdriver or socket set, and gloves
Turn off the engine and let it cool completely
Disconnect the negative battery terminal
Remove the air intake duct or hose to access the throttle body
Inspect the throttle body for dirt and carbon buildup
Open the throttle plate carefully by hand if possible
Spray throttle body cleaner onto a lint-free rag or soft brush
Wipe the inside of the throttle body and throttle plate
Clean the edges and backside of the throttle plate
Remove all visible carbon deposits and grime
Avoid spraying excessive cleaner directly into electronic components
Repeat wiping and cleaning until the surfaces are clean
Reinstall the air intake duct or hose
Reconnect the negative battery terminal
Start the engine and let it idle
Check for smooth idle and proper throttle response
Repeat cleaning if necessary during future maintenance intervals