Throttle body: operation, maintenance and price

The throttle body required to provide a good air / fuel mixture in an engine is often unknown to the general public. It works thanks to a valve that opens or closes to control the amount of air entering the engine.

🚗 What is the throttle body used for?

Located on the outskirts of flow meter и air filterThe throttle body allows you to adjust the amount of air injected into the engine to obtain an optimal fuel / air mixture.

On older cars, this carburetor which usually took care of the air and gasoline supply to the engine. But with new pollution control standards, the air / fuel mixture needs to be more precise in order to achieve perfect combustion with fewer particles emitted into the atmosphere.

So this is now injectors and a throttle body, which respectively control the flow of fuel and air to the engine.

As for its operation, the throttle body is equipped with valve which opens and closes to control the amount of air injected into the engine. it calculating a vehicle that will control the opening or closing of this valve to ensure the correct air-fuel mixture thanks to sensors such as Lambda probe.

Thus, over time, the throttle body can become clogged and even clogged. Therefore, it is important to think carefully about its service.

?? What are the symptoms of a faulty throttle body?

There are several symptoms that can alert you to a malfunctioning or malfunctioning throttle body:

• Excessive consumption of gasoline ;
• Engine light is on ;
• Unstable idle ;
• Engine stalls ;
• Power loss during acceleration.

If you experience one or more of these problems, do not wait for the throttle body to be checked. Indeed, the throttle body may need cleaning or replacement.

Note : a defective throttle body may cause other damage such as EGR valve or catalyst... So remember to keep it in good condition or you will accumulate other more costly breakdowns.

🔧 How do I clean the throttle body?

Over time, the throttle body becomes dirty and can even clog. Therefore, remember to thoroughly clean the throttle body before replacing it. Here's a guide that lists the steps to self-clean your throttle body.

Required material:

• Protective gloves
• Protective glasses
• Throttle body cleaner
• Cloth or brush

Step 1. Locate the throttle body.

Start by opening the hood and find the location of the throttle body. Feel free to consult your vehicle's documentation to find out where the throttle is. Indeed, depending on the car model, the location of the throttle body may differ.

Step 2: Remove the air intake system from the throttle body.

Once the throttle body is located, remove the air intake ducts connected to the body. Depending on its location, it may also be necessary to disassemble the flow meter or air intake box.

Step 3: Remove the hardware and connectors from the throttle body.

You can now disconnect all connectors from the throttle body and remove all mounting bolts. After all the fasteners have been removed, you can finally remove the throttle body from its place.

Step 4: clean the throttle body

Use a spray cleaner to spray the product all over the throttle body. Then, using a rag or brush, thoroughly clean the inside of the throttle body. If you use a rag, be careful not to break or damage the fragile housing flap. Therefore, we recommend using a brush for precision.

Step 5: Check the condition of the throttle body parts.

Take the opportunity to check the condition of the valve and the accelerator cable. The valve must be able to open and close completely without force. If the valve does not work, you will have to replace the throttle body. Likewise, we also advise you to use this intervention to replace the air filter.

Step 6. Assemble the throttle body.

After making sure that the throttle body is working properly and the throttle body is clean, you can reassemble it by performing the steps in reverse order. Make sure the throttle body is dry before reassembling to prevent the cleaner from getting into the air intake.

?? How much does it cost to replace the throttle body?

Count on average from 100 to 200 euros for new throttle body. The price varies depending on the brand and type of throttle body. Added to this is the cost of labor, which is approximately 80€... Please note that depending on your vehicle model, the cost of replacing a throttle body can vary greatly.

You are now unbeatable in your car's throttle control. Remember, our trusted mechanics are at your service to clean or replace the throttle body if needed. Find the best garages at the best price on Vroomly!