How to Know When Your Throttle Body Needs to Be Cleaned
How to Know When Your Throttle Body Needs to Be Cleaned In most modern vehicles some of the exhaust is routed back into the engine through the throttle body, part of the air intake system. This leads to less air pollution, although some of the post combustion products in the exhaust can coat the inside of the throttle body. This can lead to a loss in vehicle performance, especially stalling and stumbling when the engine is warm. There are several indicators that your throttle body needs cleaning. Things You'll Need Socket wrenches Screwdrivers Check your gas mileage. This can be as easy as filling your tank to full and setting the trip odometer to zero. When the tank is empty, observe how any miles you were able to go on that one tank. If you notice that you are getting fewer miles to the gallon than your car should be getting, you may need to clean your throttle body. Fai Wong/Hemera/Getty Images Observe your car when it is idling. When in idle, if the eng...