Ignition Coil Replacement Cost UK 2025
Ignition Coil Replacement Cost UK 2025
In 2025, the cost of replacing an ignition coil in the UK will vary significantly depending on the vehicle type, location, and service provider. Typically, the price range for this service falls between £70 to £350. Factors influencing this cost include the type of vehicle, accessibility of the ignition coil, whether a single coil or the entire set needs replacing, and the choice between OEM and aftermarket parts. Urban areas, especially in and around London, may see higher costs due to increased labour rates.
Average Costs by Vehicle Type
| Vehicle Type | Example Model | Common Work | Average Cost (£) |
|---|---|---|---|
| Compact Car | Ford Fiesta | Single Coil Replacement | £70-£150 |
| Mid-Size Sedan | Volkswagen Passat | Full Set Replacement | £150-£300 |
| SUV | Land Rover Discovery | High-End Coils Replacement | £200-£350 |
| Luxury Car | Mercedes-Benz C-Class | Premium Coil Replacement | £250-£350 |
| Sports Car | Porsche 911 | Performance Coils Replacement | £300-£500 |
| Electric Vehicle | Tesla Model 3 | Specialist Coil Replacement | £250-£400 |
Realistic Regional Prices
| Region | Average Cost (£) |
|---|---|
| North England | £70-£250 |
| South England | £80-£300 |
| London | £100-£350 |
| Scotland | £75-£275 |
| Wales | £70-£250 |
| Northern Ireland | £65-£245 |
Correct as of November 2025.
What’s Included
- Inspection/diagnostics: Technicians will conduct a comprehensive check of the engine’s ignition system, including scanning the engine’s computer for fault codes and assessing coil performance with a multimeter.
- Parts list: Typically includes the ignition coil itself, spark plugs if also being replaced, connecting wires, mounting brackets, and sometimes the coil pack that houses multiple coils.
- Labour scope: The replacement generally takes 1-2 hours, depending on vehicle accessibility and whether multiple coils are replaced. Technicians require moderate skill to diagnose and replace coils accurately.
- Fluids/seals/consumables: Includes minor consumables like dielectric grease and sealant for coil installation.
- Testing & quality checks: Post-replacement, the vehicle will be tested under various operating conditions to ensure proper functioning. Ignition timing and idle checks are also performed.
- Warranty paperwork: Most services offer a 12-month warranty on parts and labour, which will be detailed in the service paperwork.
Symptoms & When to Book
Recognizing the right time to replace an ignition coil is crucial for maintaining vehicle performance and safety. Symptoms include engine misfiring, poor fuel economy, engine jerking or stalling, and an illuminated check engine light. Each symptom potentially indicates degraded coil efficiency, which can lead to greater fuel consumption and, over time, damage to the catalytic converter. Delaying replacement can result in a non-starting engine and higher repair costs.
Intervals & Preventative Tips
Ignition coils should ideally be checked every 60,000 miles or as part of a major service. Driving conditions such as frequent short trips, high ambient temperatures, or extensive idling can shorten this interval. Watch for symptoms like misfires or a rough-running engine, which could indicate failing coils. Preventative maintenance includes regular inspections and following the manufacturer’s service schedule, which helps in early identification and extends coil life.
Factors That Influence Price
Several factors affect the cost of ignition coil replacement. The make and model of the vehicle are decisive; high-end or performance vehicles often require more expensive parts and specialised labour. Age and mileage can lead to increased wear, necessitating additional repairs that raise costs. Part quality also varies, with OEM parts generally being more expensive than aftermarket solutions. Urban areas typically feature higher labour rates than rural locations. The type of service provider also plays a role; main dealers usually charge more than independent garages or mobile mechanics. Seasonal factors such as demand during winter months can also influence prices.
DIY vs Professional
- DIY-friendly: Replacing an ignition coil can be a straightforward task for those with some mechanical skill, involving basic tools like wrenches and screwdrivers. The difficulty level is generally low to moderate, depending on the vehicle’s engine layout.
- Pro-only: Operations that require detailed diagnostics, high-stakes timing adjustments, or calibration fall strictly within the professional domain due to the need for specialised tools and knowledge.
- Safety: Incorrect installation can lead to engine damage or a fire hazard. Thus, professional installation is recommended for those not confident in their mechanical skills.
- Cost-benefit analysis: DIY may save on labour costs but risks incorrect installation. Professional service ensures a warranty and peace of mind, justifying the higher cost for many owners.
How to Save Money
Cost-saving strategies for ignition coil replacement include obtaining multiple quotes and comparing them for the best deal. Understanding the split between parts and labour costs can also aid in negotiations. Choosing between an independent specialist and a main dealer affects the final cost, with specialists often providing better rates for the same quality. Timing services during off-peak seasons and bundling with other maintenance tasks can also reduce costs. While OEM parts are preferable for warranty purposes, high-quality aftermarket parts can suffice for older or out-of-warranty vehicles. Exploring warranty options and loyalty programs offered by service providers can further reduce expenses.
FAQs
What is the typical cost for an ignition coil replacement?
Depending on the vehicle and region, costs can range from £70 to £350. This includes both parts and labour.
Can I drive with a faulty ignition coil?
Driving with a defective coil can lead to engine misfires, reduced performance, and ultimately greater damage. It is advisable to address the issue promptly.
Are ignition coils covered under warranty?
Many service providers offer a 12-month warranty on replacement parts and labour. However, terms can vary, so it’s important to confirm with your provider.
How long does it take to replace an ignition coil?
Typically, the job takes about 1-2 hours, depending on the number of coils being replaced and vehicle specifics.
What happens if I delay replacing a failing ignition coil?
Delaying can lead to engine damage, higher repair costs, and potential breakdowns.
How do I choose the right garage for ignition coil replacement?
Look for reputable services with good reviews, transparent pricing, and appropriate warranties.