What is the toyota rav4 vacuum hose location?

There are many vacuum lines in the engine of a Toyota RAV4. They are used on the intake and exhauSTSystems as well as the fuel delivery system. They are most likely ¼ inch outer diameter rubber like tubing. You can buy sections of the tubing from any auto parts store and You just need to cut it to length to replace any worn out sections. The easiest way to find out where the leak is coming from is to start the engine and let it warm up, then take a can of carb cleaner and start spraying it on any lines paying special attention to the junction points. When You hit a point that has a leak the carb cleaner will get sucked into the engine and the engine will rev up because the cleaner is making its way into the combustion chamber and causing a hotter burn.