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spark plugs replacement
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Top-rated mechanics

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Upfront, fixed quotes

up to 30% cheaper than average

Manufacturer-equivalent

Manufacturer-equivalent

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Our expert insights into spark plugs replacement

Our expert insights into spark plugs replacement

What do spark plugs do?

They convert electric current from the ignition coil into a spark that ignites the fuel and air mix inside the car engine. This combustion is what powers the engine and moves the car.

Symptoms of malfunctioning spark plugs

If your car struggles or fails to start, or if your engine cuts out after starting or during its usual operation, or if it fails to run smoothly or it vibrates excessively under normal use it could be down to faulty spark plugs.

View more symptomsView more symptoms

How much does it cost to change my spark plugs? spark-plugs-replacement

Save up to 30% on your spark plugs replacement. See our table below to browse our honest, upfront prices.

What happens when we replace your spark plugs?

Our mechanics will check for possible fault codes relating to the ignition system or the spark plugs themselves. Wherever required your spark plugs will be replaced.

Learn more

Daniel, from London

Hey Fixter, how often should spark plugs need replacing?

Daniel
Terry

Terry, Fixter in-house mechanic expert

checkedCollection and delivery — anywhere

What do spark plugs do?

They convert electric current from the ignition coil into a spark that ignites the fuel and air mix inside the car engine. This combustion is what powers the engine and moves the car.

Symptoms of malfunctioning spark plugs

If your car struggles or fails to start, or if your engine cuts out after starting or during its usual operation, or if it fails to run smoothly or it vibrates excessively under normal use it could be down to faulty spark plugs.

View more symptomsView more symptoms

How much does it cost to change my spark plugs? spark-plugs-replacement

Save up to 30% on your spark plugs replacement. See our table below to browse our honest, upfront prices.

What happens when we replace your spark plugs?

Our mechanics will check for possible fault codes relating to the ignition system or the spark plugs themselves. Wherever required your spark plugs will be replaced.

Learn more

Daniel, from London

Hey Fixter, how often should spark plugs need replacing?

Daniel
Terry

Terry, Fixter in-house mechanic expert

checkedCollection and delivery — anywhere

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How much does spark plugs replacement cost?

How much does spark plugs replacement cost?

Honest, upfront quotes and savings up to 30%

A typical spark plugs replacement in the UK costs around £72.10 - £126.00. Depending on your car brand, model and engine, and whether you live in a big city or a small one, the price of a spark plugs replacement on your vehicle can be higher or lower. We have computed prices for some of the best-selling cars in the UK in order to give you an idea of how much the spark plugs replacement should cost.

Car make and modelDealers
average price
Fixter logoexclusive price
Instant savings

Ford C Max Titanium

1.6 litres

£83.28 £72.1013%

Hyundai Getz Cdx

1.3 litres

£88.00 £75.6014%

Nissan Note N Tec

1.5 litres

£154.88 £124.8019%

Seat Altea

1.4 litres

£87.31 £72.1017%

Audi A2

1.6 litres

£86.07 £74.2014%

Nissan Elgrand Homy

3.2 litres

£154.13 £124.8019%

Dacia Duster Laureate Dci

1.5 litres

£85.63 £73.5014%

Peugeot 607

2.2 litres

£89.26 £74.2017%

Suzuki Grand Vitara 16v

2 litres

£91.51 £73.5020%

BMW 335i Se Highline

3 litres

£147.04 £126.0014%

Nissan Note N Tec

1.5 litres

£154.88 £124.8019%

Nissan Elgrand Homy

3.2 litres

£154.13 £124.8019%

BMW 335i Se Highline

3 litres

£147.04 £126.0014%

Hyundai Getz Cdx

1.3 litres

£88.00 £75.6014%

Seat Altea

1.4 litres

£87.31 £72.1017%
Get your free quote and save up to 30%Get an instant quote

* The cost of your spark plugs replacement depends on your car make and model and may vary depending on your location.

Our trusted and certified garages

MILLENNIUM GARAGES

London, UK
stars-5
13 reviews
We are located in London, UK and handle your vehicle's MOT, Servicing and Repairs for all car makes and models.

HOLOCENE MOTOR GROUP

London, UK
stars-5
14 reviews
HOLOCENE MOTOR GROUP and their team of qualified mechanics at London, UK look after your cars MOT, Servicing and Repairs

BLENHEIM TRANSPORT LTD

LONDON, UK
stars-4
25 reviews
BLENHEIM TRANSPORT LTD and their team of qualified mechanics at LONDON, UK look after your cars MOT, Servicing and Repairs

PORSHEWORX ENGINEERING LTD

London, UK
stars-5
26 reviews
We are located in London, UK and handle your vehicle's MOT, Servicing and Repairs for all car makes and models.

CANNING CAR CARE

London, UK
stars-5
16 reviews
CANNING CAR CARE is located in London, UK. We provide quality car services and repairs with our team of expert mechanics

DUNDALK MOTORS

London, UK
stars-5
29 reviews
We are located in London, UK and handle your vehicle's MOT, Servicing and Repairs for all car makes and models.

Here’s what our customers have to say…

  • Abbie owen
    from Cheadle
    starstarstarstarstar

    Fantastic service!! Was sceptical at handing my keys over but Carl was very professional and kept me updated all day. I dislike going to a garage as I feel they take advantage because I am a young female. £19 for an MOT and I didn’t have to do anything. Definitely using this service every time!

  • Shauna
    from Manchester
    starstarstarstarempty star

    Really great, friendly service - was prompt picking up my car and kept me informed throughout the booking process all the way to dropping off my car. Would highly recommend and will be using this service again!!

  • Customer
    from Wirral
    starstarstarstarstar

    Excellent service for my car, great price and worker who collected the car was very polite.

  • Barry Randall
    from Barnet
    starstarstarstarempty star

    Good service could do better on punctuality would definitely recommend

  • Customer
    from Stockport
    starstarstarstarempty star

    Very flexible with pick up and drop off points

  • Customer
    from London
    starstarstarstarstar

    Great experience. Kept updated at all times

Book your next spark plugs replacement in less than 5 minutes.

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mechanic

Your spark plugs replacement is in safe hands with our top-rated mechanics

We personally select every local garage based on our unique 25-point criteria, which includes staff qualifications, equipment standards and customer ratings.

Fully qualified mechanics with 10+ years’ experience 👨‍🔧

Your car is in the UK’s safest expert hands.

Manufacturer-equivalent parts only ⚙️

Identical to your manufacturer’s, but much cheaper!

In-house experts approve all work personally 🔍

Every service carried out by our partner garages is fully reviewed.

12-month warranty on parts and labour 🛠

Any additional work needed will be carried out for free.

Get an instant quote

Your spark plugs replacement is in safe hands with our top-rated mechanics

mechanics

We personally select every local garage based on our unique 25-point criteria, which includes staff qualifications, equipment standards and customer ratings.

Fully qualified mechanics with 10+ years’ experience 👨‍🔧

Your car is in the UK’s safest expert hands.

Manufacturer-equivalent parts only ⚙️

Identical to your manufacturer’s, but much cheaper!

In-house experts approve all work personally 🔍

Every service carried out by our partner garages is fully reviewed.

12-month warranty on parts and labour 🛠

Any additional work needed will be carried out for free.

Get an instant quote

Want to learn more about spark plugs replacement?

Want to learn more about spark plugs replacement?

What do spark plugs do?

Spark plugs convert electric current from the ignition coil into a spark that ignites the fuel and air mix inside the car engine. This combustion is what powers the engine and moves the car. Spark plugs are located in the cylinder head and are connected via external leads attached to the engine.

How often should spark plugs need replacing?

Most manufacturers recommend that spark plugs should be replaced at around every 30k miles; this is only a guideline, as the quality of the component, engine performance and driving habits can affect spark plug lifespan significantly.

The law, vehicle regulations and your MOT

Old or damaged spark plugs can affect engine performance areas that cause an MOT failure, for example, in emissions testing. Poor performing spark plugs or filters that clog up can affect the gasses that are delivered from your exhaust; replacing these faulty parts can often rectify the problem.

What happens when we replace your spark plugs?

  • Our efficient and fully qualified mechanics will check for possible fault codes relating to the ignition system, the operation of the ignition system and the spark plugs themselves.
  • A compression test may be carried out on each of the engine’s cylinders.
  • Wherever required your spark plugs will be replaced and you’ll be advised of any other connected or associated problems arising from their malfunction.
  • You will also be advised of any other affected parts that may need to be replaced for the best operation and health of your vehicle.
  • Once the spark plugs have been replaced, our mechanics will test them thoroughly to ensure their correct operation and make any adjustments required for their optimum performance.

What causes spark plugs to stop working correctly?

Spark plugs can wear out over time, at which point they should be replaced to ensure the correct combustion of fuel. There is also a chance of potential carbon build up on the electrodes; this is known as carbon fouling and will affect the correct operation of the spark plugs. Oil can build up on the spark plugs too, which can be rectified with a simple cleaning.

Spark plugs can occasionally melt due to excessive engine temperatures. This isn’t usually a spark plug fault, but that of the engine or fuel system.

Symptoms of malfunctioning spark plugs

Starting your engine is problematic

If your car struggles or fails to start, it could be down to faulty spark plugs.

Engine cut out or misfiring

If your engine cuts out after starting or during its usual operation, if it fails to run smoothly or it vibrates excessively under normal use, then your spark plugs could be due to worn out spark plugs.

The dashboard engine warning light is illuminated

Any dashboard warning light is due to a sensor detecting fault or incorrect operation of a related component. An engine warning light could relate to a faulty spark plug.

Fuel consumption is higher than normal

Faulty spark plugs can cause your engine to burn fuel in an erratic manner, affecting both vehicle performance and fuel consumption. If you notice a change in your fuel consumption, it could be a spark plug problem.

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