Throttle Body repair & replacement made easy

The throttle body is part of the engine's air inlet system, provided your car has a fuel injection. It is situated before the engine's inlet manifold and regulates the air flow into the engine (where it is also mixed with fuel). It consists of a butterfly valve that opens or closes depending on how much air the engine needs (which, in turn, depends on the driver's throttle input).

• Mechanic will read the ECU to see if there are any related fault codes.
• Mechanic will inspect the throttle body and air inlet system
• If necessary, the mechanic will replace the throttle body.
• Mechanic will clear the air inlet system of dirt.
• Mechanic will advise if any other parts need to be replaced.
• Mechanic will run the engine and test drive the car.
• Mechanic will make any adjustments if necessary.

How much does a Throttle Body replacement cost

Unless you are a qualified mechanic with the required skills, training and equipment to do the job, we strongly recommend a throttle body replacement is only carried out by a professional mechanic. ClickMechanic can help get you a vetted and local mechanic to carry out the work. Just enter your postcode and your car's registration number at the top of this page and select the work needed to get an instant fixed price up front.

• When the 'Check Engine' light is on.
• When the engine runs rough.
• When the engine idle is rough.
• When the engine performs not as well as usually is the case.
• When the shifting gear is problematic.
• When the engine runs at a higher temperature than usual.
• When starting the car is troublesome.

A throttle body replacement usually takes around 1 hour, but can take less or more time. Ultimately, the time that the job will take will depend on a number of factors, like your vehicle's make and model, year, as well as other factors. Select your car at the top of this page for information on job time and cost for your vehicle through ClickMechanic.

Over time the throttle body's parts can wear and ultimately fail, both resulting in the engine not being fed the correct amount of air for the air / fuel mixture to combust in the cylinder. In the event, the engine may lose power. In most cases the throttle body will just be dirty (usually it's covered in a black residue), preventing an adequate amount of air to pass through the valve.

Should you experience an issue like this or those listed earlier, it is advisable to have the throttle body inspected as soon as possible and, if necessary, have it replaced. Seeing that the throttle body is a component that is especially prone to wear it should always be replaced as and when stipulated in the guidelines set out by your car's manufacturer.

Driving the vehicle with a faulty throttle body will likely see the engine being put in limp mode or the engine's power output may otherwise be limited. Ultimately a faulty throttle body may also lead to further complications and damage to the catalytic converter. If you suspect there is any issue with your vehicle's throttle body or there are concerns about its condition, book with a professional mechanic immediately so they can check and advise on next steps.