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Service, Repairs & MOT

ECU repair in Sudbury

Book a local RAC Approved Garage that you can trust.

  • 12-months parts guarantee
  • Honest pricing
  • Exceptional customer service

Why choose the RAC for an ECU repair?

At the RAC, we've got over 125 years' experience helping UK drivers. We have the skills and knowledge to keep your vehicle running. We'll give you results you can rely on at a price you can afford.

Close up of an RAC Mobile Mechanic underneath a car
A mechanic standing inside a garage

Book an ECU repair

The Engine Control Unit (ECU) is the brain of your vehicle and works to keep it running smoothly. If it's acting up, it can mean poor performance, increased fuel consumption, or trouble starting your car.

Any work done will meet the high standards set by the RAC.
We’re friendly, straightforward and jargon-free
A mechanic inspecting the underside of a vehicle.

Book a diagnostic

A mechanic will check your car for faults and talk you through any repairs you might need. There are various ways to check for faults, which could include a physical examination or plugging in to check your car’s onboard engine management system.

We’ll look for any mechanical or electrical problems. If we need to, we’ll also check your car’s onboard engine management system. Depending on your car and issue, this will usually include: – Engine – Power steering – Brakes – Transmission – Exhaust system – Fuel injection system – Cooling system and air flow – Sensors

And it’s not just ECU repairs that we do in Sudbury

RAC Approved Garages offer MOTs and services. Our professional mechanics have the expertise and experience to make sure your vehicle is operating safely and efficiently – results you can rely on at a price you can afford.

A close up of an RAC mobile mechanic looking under the hood of a car

Try one of our RAC Approved Garages

Kestrels Motor Company

We are a small professional team that offers sales servicing and repairs. We provide one of the best services for MOT tests at our Garage in Halstead. By using highly experienced staff and equipment you can be assured your car is in good hands to be inspected. Kestrels Motor Company have fully qualified and experienced staff that can supply and fit brakes for all makes and models at competitive prices. At Kestrels Motor Company we can cure most types of diagnostics on your car. Looking to buy tyres for your car? Kestrels Motor Company can get you driving safe and legal on the road. We carry an extensive range of batteries, which are available to be fitted while you wait. Ranging from a 3-year, 4-year & 5-year warranty.
Bluebridge Industrial Estate, Unit 6 Third Avenue., Halstead, CO92SX

GB Autos

We are an idependant garage thats a member of the RMI & IMI. We aim to carry out work to main dealer levels & above with our clean & well equiped workshop. GB Autos has Diagnostic Equipment equivalent to your main dealer, we can under take any jobs from correcting your tyre pressures to full engine rebuilds. GB Autos is now RAC Approved & are a Bosch Car Service Centre so we have passed a stringent audit & are able to work under the RAC & Bosch Banner. You can be assured that we are using the very best parts on your car for servicing & repairs & all our parts carry a 1 year warranty so rest assured that you are getting the very best Independent Car workshop possible.
Unit 46, Broton Drive, Halstead, CO91HB

Great Horkesley Garage

First established in 1994, we have decades worth of experience to tackle anything you challenge us with! We are a very successful, family run business that provides MOT, servicing, fuel sales and a shop for everyday essentials. Our mechanics are fully qualified and committed to providing a high quality service at reasonable prices on all makes and models of cars and vans.
The Causeway, Great Horkesley, CO64EJ

Mitchells Motors Repairs Ltd

MITCHELL'S Motor Repairs is Haverhill's leading independent garage, the only AA & RAC Approved and Trading standards approved independent garage in the area giving you peace of mind. Here at MITCHELL'S we put the customers best interest in everything we do to give cost effective repairs & maintenance, exceptional customer service and have workshops with the latest diagnostic equipment and Technicians trained to manufacture standards. We have been serving the local community of Haverhill and the surrounding villages for 30 years with 3 generations on the Mitchell family working passionately within the business. As we say.... 'You're in safe hands'
20-22 Hollands Road, Haverhill, Suffolk, CB98PP

Euro Pit Tyres LTD (Bury St Edmunds)

Europit Tyres – Bury St Edmunds Welcome to Europit Tyres Bury St Edmunds – your trusted local garage, proudly part of a family-run business with over 25 years of successful trading across the region. At our Bury St Edmunds branch, our team offers over 85 years of combined experience in vehicle servicing, repairs, MOTs, and tyre fitting. We’re committed to providing honest, reliable, and friendly service with no pushy sales tactics, just genuine advice and high-quality workmanship. Whether it’s a routine service, brake repair, MOT test or a new set of tyres, we treat every job with care and attention to detail. Why choose us? - We offer competitive pricing without compromising on quality - Our experienced team takes pride in getting the job done right, first time - We only use trusted parts and follow manufacturer recommendations - We're fast, efficient, and flexible – with convenient appointment times - Above all, we care about building long-term relationships with our customers At Europit Tyres Bury St Edmunds, you’re not just another booking, you’re a valued customer. Book today and experience the difference of a garage that puts your satisfaction and safety first.
Unit 5 Cratfield Road, Bury St Edmonds, IP327DF

Frequently asked questions on ECU repairs

Yes, a damaged ECU can often be repaired. Whether it can be depends on the amount of damage and how easy it is to find replacement parts.

It's usually best to leave ECU repairs to the experts. This is because as they require special tools and knowledge of car electronics.

Look out for a check engine light being on, the engine stalling or misfiring, poor fuel economy and difficulty starting the car.

It can take anywhere from a few hours to a couple of days. This depends on the issue and how available the parts are.

ECU repairs may be covered if the damage is caused by something that is insurable, like an accident. Talk to your insurance provider to find out more.

There is no set interval for ECU checks, but it’s a good idea to have it looked at, if you see symptoms.