Ignition Coil change & replacement made easy

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Wrench hand blue

7 Reviews



Tewkesbury, 5 years of experience

21st March 2017
“Matt was very helpful. I will use the service again in the future”


Renault Megane II • Ignition coil replacement

11th March 2017
“Excellent, would recommend to friends no problem. ”


Skoda Citigo • Interim Service


122 Reviews


5th January 2017
“Efficient, informative, clear, skilled and knowledgeable. Managed to get to the point and sort out the immediate issues swiftly to get me back on the road. No drama just results. Worth every penny.”


Volkswagen Golf V • Ignition coil replacement

15th August 2016
“Great service, friendly and helpfull.. i would recommend him to anyone. Thanks a lot”


Audi A6 • Diagnostic Inspection

Wrench hand blue

97 Reviews


Tristan Renshaw

Chobham, 10 years of experience

22nd December 2016
“Tristan was sound - despite not actually being able to fix my car (because the RAC breakdown guy misinformed about the reason for the fault) he did provide me with a comprehensive diagnosis of the real problem with my vehicle. He was also very helpful and punctual, which I greatly appreciated.“


BMW 1 Series • Ignition coil replacement

3rd January 2016
“Very good coms and diagnosed the problem quickly.”


Nissan X-Trail • Diagnostic Inspection


20 Reviews


Graeme Wingate

London, 13 years of experience

13th December 2016
“Very communicative and did the work required quickly. Endured I was happy with everything before leaving. Really good.”


Hyundai i30 • Ignition coil replacement

6th December 2016
“Graeme was great - highly recommended. Texted before hand, showed me what he'd done, gave the car a little test drive so he was happy and so was I.”


Nissan Almera • Front brake pads (all) replacement


65 Reviews


11th December 2016
“My mechanic was excellent at his job, very communicative and friendly, thank you very much indeed.”


Toyota Corolla • Ignition coil replacement

3rd February 2017
“Very happy. Friendly, polite, knowledgeable and on time. Couldn't ask for more, and no hesitation recommending or using again”


Ford Galaxy • Battery replacement

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How much does an Ignition Coil replacement cost?

Labour times and part prices vary depending on the particular vehicle, but to give you an idea here are some examples.

Car Franchise Dealer estimate Independent Garage estimate ClickMechanic ClickMechanic Saving
Car2007 Mercedes-Benz A-Class Franchise Dealer Est.£150 - £192 Independent Garage Est.£75 - £110 ClickMechanic Est.£75 - £109 Saving46%
Car2008 Volvo S80 Franchise Dealer Est.£81 - £89 Independent Garage Est.£50 - £55 ClickMechanic Est.£50 - £55 Saving38%
Car2003 Mini Mini Franchise Dealer Est.£132 - £146 Independent Garage Est.£73 - £81 ClickMechanic Est.£73 - £80 Saving45%
Car2007 Ford Mondeo Franchise Dealer Est.£60 - £76 Independent Garage Est.£41 - £53 ClickMechanic Est.£40 - £53 Saving31%
Car2004 Citroen C5 II Franchise Dealer Est.£50 - £56 Independent Garage Est.£34 - £39 ClickMechanic Est.£34 - £38 Saving31%

Want to learn more about Ignition Coil replacements?

Read our short guide with information on costs, symptoms and more.

What does an Ignition Coil do?

The ignition coil is a component of the ignition system. It is essentially an induction coil, an electrical transformer, that produces a very high voltage current from the battery's 12V low voltage current. Generally it produces around 50,000 volts.

The high voltage current is necessary for the spark plugs to create a spark and ignite the fuel in the engine's cylinders.
Most new cars have one small ignition coil for each spark plug (mainly because newer cars do not have a distributor, ignition is regulated electronically). Older cars will have one (or even two) ignition coils for all spark plugs.

How do you know there is something wrong with an Ignition Coil?

  • When the electrical connectors have corroded.
  • When the car's fuel consumption is higher than usual.
  • When the engine misfires and does not run smoothly.
  • When the 'Check Engine' light is on.
  • When the car idles rough (unsmooth idling of the engine).
  • When the car fails an emissions test on an elevated level of hydrocarbons.
  • When the car does not start.

When should you consider a Ignition Coil replacement?

Over time, an ignition coil can wear out due to general use. Additionally the coil can malfunction due to bad ignition leads that prevent an adequate current to flow through the leads; the extra resistance that occurs then can damage the coil. It is therefore important to have the ignition leads measured for resistance too when the coil is faulty, to prevent the a similar problem with a new ignition coil. Professional and timely maintenance is essential to prevent further damage.

Should you experience problems with an ignition coil then it is advisable to have it inspected and, if necessary, have it replaced. Remember, always service the ignition coil as and when stipulated in the guidelines set out by your car's manufacturer.

What happens during an Ignition Coil replacement?

  • Mechanic will read the ECU for possible fault codes related to the ignition system.
  • Mechanic will inspect the ignition system and ignition coil, in the case of Coil-On-Plug coils each individual lead and coil will be tested.
  • If necessary, the mechanic will replace the damaged ignition coil(s).
  • Mechanic will advise if any other parts need to be replaced (like the ignition leads).
  • Mechanic will inspect the ignition system again and, if necessary, test drive the car.

How much does an Ignition Coil Replacement cost?

The cost of replacing the ignition coils depend on your car and what parts your car's manufacturer recommends using for the replacement. Find out what you could save by having an ignition coils replaced by ClickMechanic, by selecting your car at the top of this page!

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