Vauxhall throttle body replacement, made easy

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How much does a throttle body replacement cost for Vauxhall cars?

A typical Vauxhall throttle body replacement in the UK costs around £249 - £503. Depending on your Vauxhall model and engine, and whether you live in a big city or a small one, the price of a throttle body replacement on your vehicle can be higher or lower. We computed prices for some of the best-selling Vauxhall cars in the UK in order to give you an idea of how much a throttle body replacement costs.
Car modelFixter price range
Throttle body replacement for Vauxhall Corsa£320 - £503
Throttle body replacement for Vauxhall Astra-J£249 - £391
Throttle body replacement for Vauxhall Astra£270 - £425
Throttle body replacement for Vauxhall Astra-H£256 - £402
Throttle body replacement for Vauxhall Insignia-A£263 - £413
Throttle body replacement for Vauxhall Astra-K£249 - £391
Throttle body replacement for Vauxhall Insignia£270 - £425

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Our expert insights

What does a throttle body do?

The throttle body is a critical piece of the air intake system that controls the amount of air flowing into the engine. It consists of a pivoting flat valve and is located between the air intake and engine manifold where fresh air is pulled into the engine for the combustion process.

What are the symptoms of a bad throttle body?

Below are the top three symptoms that could indicate you need to replace your throttle body:

  • A very poor or rough idle

  • Poor or unreliable acceleration

  • Excess fuel consumption

What happens when we do a throttle body repair on your car?

Our certified mechanics will:

  • Analyse the ECU to see if there are any related fault codes.

  • Inspect the throttle body and air intake system.

  • Replace the throttle body if there are issues with it.

  • Clean the air intake system of dirt and residue.

  • Advise if any other parts need to be replaced.

  • Finally they will run the engine and test drive the car.

Daniel, from LondonDaniel, from London

Hey Fixter, can I drive with a bad throttle body?

I wouldn’t recommend driving with a failing throttle body. Your car could be very difficult to handle, it could break down whilst driving, or it could even accelerate unpredictably and uncontrollably - which is a very dangerous situation to be in on the roads.

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Want to learn more about Vauxhall throttle body replacement?

What does a throttle body do?

In today's modern fuel injected cars, the throttle body is a critical piece of the air intake system that controls the amount of air flowing into the engine. It sits between the air intake and engine manifold where fresh air is pulled into the engine for the combustion process.

The throttle body itself consists of a tube containing a pivoting flat valve (butterfly). When the driver presses the acceleration pedal the butterfly in the throttle body pivots to let more air flow into the manifold. When this happens, the throttle position sensor reports to the ECU that you have pressed the accelerator. The airflow sensor then detects more air and sends a message to the car’s computer to boost the amount of fuel being supplied by the injectors. This whole process is what enables your car to accelerate.

A good air filter is absolutely critical to the healthy operation of the throttle body, because dirt buildup on its surface over time can cause the butterfly valve to stick, causing a rough idle and drivability issues. It is therefore important that both the air filter and the throttle body are well maintained and kept clean.

Vauxhall

Vauxhall Motors Ltd. is a British car brand owned by German manufacturer Opel. Initially founded in 1857, but didn’t begin to build cars until 1903, the brand is officially over 160 years old.

Their popularity can be easily quantified by the 3.9million Vauxhall cars on the road in the UK today.

Vauxhall: A car for every need

By their own admission, Vauxhall has a car for the school run, a trip to the shops, a cross-country holiday, being the face of your business or delivering a van-load of goods. With such a wide range of vehicles, they’ve got every avenue covered.

A forward-thinking company with traditional values

Throughout their extensive history in the automotive industry, Vauxhall has featured predominantly in all areas. It produced the first sports car, also the first car to achieve over 100mph, it has launched award-winning models and consistently introduced pioneering technology.

Their core brand values claim to be:

  • Ingenious—offering brilliant mobility

  • Progressive—as forward-thinking and innovative

  • Approachable—being authentic and simple

The UK’s 3rd best selling car of 2018: The Vauxhall Corsa

Competing with Ford Fiesta and VW Golf for the top-selling car in the UK, the Vauxhall Corsa has become a household favourite—and why not? Their supermini hatchback is stylish, nippy and economical to run. Neatly finished inside and out with a host of modern technology and features, you’re getting plenty of car for your money and all backed with Vauxhall’s reputation for building cars that go the distance.

How often should a throttle body need replacing?

In today's modern fuel injected cars, the throttle body is a critical piece of the air intake system that controls the amount of air flowing into the engine. Because it is crucial to the healthy running of your vehicle, the throttle body should be well maintained and cleaned at least every 75,000 miles.

If you begin to notice any signs that your throttle body might be failing, such as a rough idle, frequent stalling or unreliable acceleration, you should book your car in to have the air flow system and the throttle body inspected as soon as possible. When the throttle body begins to fail it will get progressively worse (and more dangerous!) over time.

What happens during a throttle body replacement?

Our certified mechanics will:

  • Analyse the ECU to see if there are any related fault codes.

  • Inspect the throttle body and air intake system.

  • Replace the throttle body if there are issues with it.

  • Clean the air intake system of dirt and residue.

  • Advise if any other parts need to be replaced.

  • Finally they will run the engine and test drive the car.

What causes a throttle body to break?

Like most car parts, over time the throttle body will experience wear and may begin to fail. Another common issue is caused by the filth, carbon, and dirt that can build up in the throttle body housing and air intake system, creating problems with air flow. This interrupts the perfect mixture of air and fuel and can cause the butterfly valve to get stuck. Therefore regular cleaning and maintenance of the system and throttle body is crucial for a healthy and reliable car.

What are the symptoms of a bad throttle body?

Usually, there a few signs you can look for:

  • A very poor or rough idle

  • Poor or unreliable acceleration

  • Excess fuel consumption

  • Car misfiring

  • A delay from when you step on the acceleration until the car responds

  • A visibly dirty throttle body

  • Stalling more frequently

  • Check engine light comes on

How often should you replace your throttle body?

There is no set lifespan when it comes to the throttle body, however it is suggested that you clean it thoroughly at about 75,000 miles. Cleaning the throttle body and air intake system allows your car to operate more smoothly and it helps prolong its life.

What happens during a throttle body replacement?

Our certified mechanics will:

  • Analyse the ECU to see if there are any related fault codes.

  • Inspect the throttle body and air intake system.

  • Replace the throttle body if there are issues with it.

  • Clean the air intake system of dirt and residue.

  • Advise if any other parts need to be replaced.

  • Finally they will run the engine and test drive the car.

What is the average life of a throttle body?

There is no set lifespan when it comes to the throttle body, however it is suggested that you clean it thoroughly at about 75,000 miles. Cleaning the throttle body and air intake system allows your car to operate more smoothly and it helps prolong its life. Like with many car components, if the throttle body is well serviced and properly maintained it should last a while.

Can you drive with a bad throttle body?

Driving with a bad throttle body is not recommended. Your car could be very difficult to handle, it could break down whilst driving, or it could even accelerate unpredictably and uncontrollably - which is a very dangerous situation to be in on the roads. When the throttle body begins to fail it will get progressively worse (and more dangerous!) over time. You should book your car inn to be looked at as soon as you suspect there may be a problem.

Does the throttle body deteriorate with age?

Like most car parts, over time the throttle body will experience wear and may begin to fail. Filth, carbon, and dirt can also build up in the throttle body housing and air intake system over time, creating problems with air flow. This interrupts the perfect mixture of air and fuel and can cause the butterfly valve to get stuck. Therefore regular cleaning and maintenance of the system and throttle body is crucial for a healthy and reliable car.

The law, vehicle regulations and your MOT

If your throttle body is failing it could be affecting your fuel consumption and emissions. Because there are strict regulations around car emissions in the UK, excess fuel consumption and emissions could result in a fine or an MOT failure. It's important to keep your car well maintained to avoid unnecessary costs and harmful emissions.

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