A customer in the garden with an RAC Mobile Mechanic in the background.A close-up of a customer tending to her garden with an RAC Mobile Mechanic in the background.
Service, Repairs & MOT

Car diagnostic for your Kia

Book an RAC Mobile Mechanic to diagnose the problem at home and get £50 off repairs over £150

  • State of the art equipment
  • No hidden costs
  • Mechanics you can trust

T&Cs apply. Offer ends 17/08, 23:59.

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for a car diagnostic?

With RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage. They can do a vehicle diagnostic check on your driveway, so you don't even need to leave the house.

When it comes to diagnosing issues with your vehicle, our friendly expert mechanics are here to help. We use state-of-the-art diagnostic equipment to accurately identify any problems, ensuring your vehicle runs smoothly and safely. The price includes the diagnostic service – no hidden costs. Just friendly, honest experts.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick for your Kia

We’ll come to you at home or work

RAC Mobile Mechanic for your Kia

At the RAC, we’ve got over 125 years’ experience in offering complete peace of mind to our members. We’re best known for our breakdown service. And now – our new RAC Mobile Mechanics are here to help make every day motoring easier. If you need a service or repair, they’ll come to you at your home or work.

Book a car diagnostic

Our mobile mechanics will spend up to 30 minutes checking your car for faults and talk you through any repairs you might need and give you a report for your records. Plus, when we’ve diagnosed the problem get £50 off mobile mechanic repairs over £150 – for a limited time only. T&Cs apply. Offer ends 17/08, 23:59. 

We use original equipment manufacturer (OEM) standard parts, which means every new part will be the same standard and same quality as the original part it replaced.
Our mobile mechanics are friendly, honest, and backed by the RAC.
Close up of an RAC Mobile Mechanic running a vehicle diagnostic check

Book a repair

It’s easy to book a car repair online. We bring the garage to you with RAC Mobile Mechanics, or find a trusted local garage. Common repair jobs include:

We diagnose and repair clutch issues – whether your clutch is heavy or slipping, or you’re having trouble changing gears.
We check and correct alternator faults to keep your charging system running smoothly.
Oil is vital to a healthy engine, so it’s important to change it regularly.
If your brakes are making noise or you’re noticing reduced stopping power, it’s likely time to replace your brake pads or discs.

And it’s not just car diagnostics that we do for your Kia

Mobile mechanics bring the garage to you, saving you the hassle of getting your car to a garage. If you need a service or repair, they’ll come to you at your home or work.

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

Try one of our RAC Approved Garages

Paul Yates (Wirral) Ltd T/A Dave Campbell Autos

4.4/5

Dave Campbell Autos are an established local independent garage and are proud to be members of RAC Approved powered by Autofirst Network – a nationwide network of independent garages operating to the Network’s 6 core values of Capability, Consistency, Care, Clarity, Cost Effectiveness and Customer Focus. For your added peace of mind we are members of the Motor Ombudsman service which is approved by The Trading Standards Institute. In short, we are a local garage you can trust offering you the support and service guarantees of a national network, giving you complete peace of mind .
Unit 13 Grisedale Road, Bromborough, CH62 3QA

The Garage..

4.5/5

Situated in Glenrothes, Fife, The Car Garage is an independent vehicle repair company offering MOT preparation and service facilities on-site. We pride ourselves in providing a reliable and friendly repair service to clients in the Glenrothes area. High Quality Repairs from a Name You Can Trust. Is your car or van in need of a repair? If so, bring it along to our garage where all repairs are carried out by our team of highly skilled mechanics. With over 10 years’ experience, it’s no wonder why we’re the main choice when people need their vehicle repairing. So whether you’re in need of a general repair or service, or would like us to look at your shock absorbers and suspension, we’re able to undertake all mechanical repairs on-site. Quality Assurance We will ensure that from the moment your vehicle is booked in, to the moment it leaves our Repair Centre you can be assured of our best attention at all times. If we need to discuss any aspect of your repair we will give you a call. Great Customer Service At The Car Garage, providing great customer service is at the heart of everything we do. From dropping your vehicle off, until you collect it, we will keep you updated every step of the way. We guarantee the best services for all your motoring needs in the Glenrothes area!
2A Poplar Road, Poplar Road, Glenrothes, KY74AA

STL Service Centre

4.6/5

If you want your car to be looked after by highly experienced mechanics you can trust then choose the STL Service Centre—Leicester’s leading garage for more than 25 years. Our professional team of friendly mechanics are renowned for the high-quality car maintenance they deliver every time. To find out more about how we can help you, call us now onorOr contact us here. WHY CHOOSE THE STL SERVICE CENTRE? Besides providing outstanding service and expert advice at great prices, the STL Service Centre offers: Car servicing Car repairs Tyre replacement MOTs from £35 CAR MAINTENANCE YOU CAN TRUST For the past five years, the team at STL have been members of the Good Garage Scheme, which requires us to adhere to a strict code of conduct. This helps us to provide superior car maintenance services and gives our customers the peace of mind that they will always receive high quality work from our expert team.
132, Fosse Road South, Leicester, LE30JT

Westbere Garage

4.1/5

We are a quality-minded garage based in Canterbury. We are also the largest independent garage in Canterbury. Our customers are proud of the top quality, professional and friendly service that we offer. We pride ourselves in high customer satisfaction. This is why we are continually investing in a new technology training and equipment that enable us to deliver excellent service to our customers. Be rest assured, your car will be looked after by our highly qualified technicians. We offer the same quality level servicing that you would experience at the main dealer. But we offer you the personal touch, we are a family run business and pride ourselves in high customer satisfaction. By using Westbere Garage you will be treated as an individual, and you can rest assured with our company policy: “Top Quality Service, Nothing Less”
Island Rd, Hersden, Canterbury, CT34JD

Pitstop Car & Commercial Automotive Services Ltd

4.4/5

Welcome to Pitstop Car & Commercials Automotive Services Ltd Sheffield’s Top Class 4, 5, and 7 MOT Centre Welcome to Pitstop Car & Commercials Automotive Services Ltd, the only Class 7 MOT centre in Sheffield. Our friendly technicians have over a decade of experience working with all makes and models of cars and are eager to help with any of your automotive problems. On top of working with all makes and models, we specialise in LCVs and have two MOT bays so we can guarantee a speedy turnaround. We are proud to be one of the top garages in Sheffield. When you need an MOT, service or repair in Sheffield, book online with Pitstop today. What We Offer We aim to go above and beyond your expectations for a car garage in Sheffield – our customers are our main priority. We offer a free collection and delivery when you book a service, so you don’t have to worry about us interrupting your day. We can also organise a loan car for you – get in touch and we can help you with that. Under special circumstances, we can offer appointments on a Saturday, and you can now book online at your convenience.
424A Pitsmoor Road, Sheffield, S39AY

Frequently asked questions on car diagnostics

The cost you pay can vary depending on the type of car and how complicated the diagnostic test. Check with your mechanic for a quote.

Yes, a diagnostic test may save you a lot of money. It finds issues early before they become costly repairs. It can also keep your vehicle running efficiently and safely

While you can buy a diagnostic tool, interpreting the results needs expertise. It’s best if you to have a professional mechanic perform the test.

Diagnostic tests take from 30 minutes to a few hours. This depends on what issues are being looked at.

Common diagnostic trouble codes include:

  • P0300: Random/Multiple Cylinder Misfire Detected
  • P0420: Catalyst System Efficiency Below Threshold
  • P0171: System Too Lean (Bank 1)

These are general examples, so your car may have different codes. Always check with a mechanic so you get an accurate diagnosis.

Yes, they are. Regular diagnostics can help keep your car in good health. It makes sure that underlying issues are addressed quickly, so you can drive with peace of mind on the road.

Again, keep in mind that mechanics might have their own checklists. Chat with your mechanic to be sure that they address any specific issues you have.