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How to Clean a Toyota Camry Throttle Body The throttle body on a Toyota Camry controls and mixes the air and fuel that goes into the engine. As air comes into the throttle body through the air intake, suction created by the throttle body design draws fuel in from a chamber located inside the throttle body housing. This fuel mixes with air and is sent into the combustion chamber to be ignited. Over time, contaminates in the gasoline (from low grade gas suppliers or from rust inside the gas tank) may create a buildup of debris inside the throttle body. Carbon can also build up from the heat and burning of fuel generated from combustion inside the engine. If you want to make sure that your throttle body functions properly, it will help to know how to clean a Toyota Camry throttle body. Things You'll Need Screwdrivers (flat tip and Phillips head) Throttle body cleaning brushes (or several soft bristle toothbrushes) Throttle body cleaner Masking tape Permanent marker Clean rag or...

How to Clean Carbon Buildup in an IAC Valve The idle air control valve, commonly referred to as the IAC valve, is responsible for adjusting idle speed. The IAC valve works closely with other electrical components to control the air moving around the throttle plate. If your vehicle begins to stall or has poor idle quality, your IAC valve may have carbon buildup and needs to be cleaned. Cleaning your vehicle's IAC valve is a simple task and only takes a few steps. Things You'll Need Owner's manual Flat head screwdriver Socket wrench Carburetor cleaner Rag Instructions Allow your vehicle to cool for 20 minutes before beginning any work. Refer to your owner's manual for the exact location of the IAC valve in your vehicle. The IAC valve us normally near the throttle body. Unplug the wiring harness connector using a flat head screwdriver to pry the snaps off. Using a socket wrench, unscrew the bolts holding the IAC valve into the block. Examine the IAC...