Car Diagnostics | Book a Car Diagnostic for your Dacia

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.

RAC Mobile Mechanics can carry out car diagnostics on popular Dacia models such as Sandero, Duster, Jogger, Spring, and Stepway. This service is completed at your home or workplace, following Dacia maintenance guidance and using OEM‑equivalent parts. You get clear pricing, real‑time updates and a convenient, no‑hassle experience.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick for your Dacia

We’ll come to you at home or work

RAC Mobile Mechanic for your Dacia

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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.

Close up of an RAC Mobile Mechanic running a vehicle diagnostic check

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. There are various ways we can check for faults, which could include plugging in to check your car’s onboard engine management system.

OEM quality parts

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.

Mechanics you can trust

Our mobile mechanics are friendly, honest, and backed by the RAC.

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:

Clutch Replacement

We diagnose and repair clutch issues – whether your clutch is heavy or slipping, or you’re having trouble changing gears.

Alternator repair

We check and correct alternator faults to keep your charging system running smoothly.

Oil change

Oil is vital to a healthy engine, so it’s important to change it regularly.

Brake pads & Discs

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 Dacia

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

View all garages

Duke Street Motors

4.2/5

We are an established local independent garage and are proud to be members of 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.

6 King Edward Road, Loughborough, LE111RZ

Wimbledon Car Care

4.7/5

.Here at Wimbledon Car Care our number one priority to offer you the best possible service, repair and maintenance of their vehicle. Investing in the latest equipment ensuring that we’re always one step ahead. We specialise in all makes and models of vehicles, from brand new through to classic, for servicing, mechanical repairs, minor bodywork, MOT and Fleet Car support, enabling us to be one the best independent motor vehicle repair centres in and around Wimbledon and South West London.

163-167 Haydons Road, Wimbledon, SW198TB

GJB Autos

4.2/5

Welcome to GJB Autos, we are a garage conveniently located on Littlestone Road New Romney. We serve the local community of the Romney Marsh and surrounding areas. We are proud to have been established since 1975, in North Street New Romney and moving to our current premises in Littlestone Road in 2015. GJB Autos have built a great reputation providing a professional and friendly service to all our customers. It’s important to regularly maintain and check your car, not only for your safety and the safety of drivers around you but it will also help to sell your car in the future with a comprehensive service history. GJB Autos offer a comprehensive range of services at our service center including engine diagnostics, servicing, brakes, tyres, air conditioning, ECU remapping and much more. With many years experience in the industry, we can carry out servicing on all makes and models of vehicle. GJB Autos is a VOSA approved MOT testing centre for class 1,2, and 4 and a registered member of the GoodGarageScheme.com RMI, Autofirst Network, RAC Approved/Accredited, we guarantee quality and efficient work at reasonable prices every time.

8 Littlestone Road, New Romney, Romney Marsh, TN288PL

Motorbitz

4.3/5

Welcome to Motor Bitz Based in Besthorpe near Attleborough we are a family run MOT/Service & Repair centre and can take care of all your motoring needs. Whether you are looking for an MOT, part worn tyres, servicing, engine diagnostic or perhaps a recovery service we can help. We can also take care of repairs and welding work. Our Team Roger: Roger has worked within the motor trade for 30 years and has a passion for classic fords and performance vehicles. We call him the 'grease monkey' as he is never happier than to be head to toe in oil. Roger carries out most of the heavy work including commercial, engine swaps, clutches and gearboxes. Simon: Simon is a qualified MOT tester, with a passion for classic and American vehicles. With his extensive experience of over 42 years in the motor trade industry - Simon is a real asset to the company. Customer relations is his speciality. Neil: Neil is a qualified MOT tester and is also a qualified HGV fitter. Neil has an interest in all vehicles, but his passion is in classic cars, bikes and commercials. Neil is the master of all things delicate often carrying out some of our more technical work and a great welder too!

Unit 3, Silver Street, Besthorpe, Attleborough, NR172LD

Wincanton Motorsport Ltd

4.9/5

We are a well-established workshop which has built up a fantastic reputation within the local area, since we first opened our doors in 1994. We carry out repairs, maintenance work, servicing and Class 1, 2 and 4 MOT’s on motorcycles, cars, light commercials and fleets. In 2008 we expanded the company and moved into a large 4000 square feet unit which has 4 service bays and an MOT bay. Our team of 4 technicians are fully qualified and have many years of experience within this industry. RAC approved. We use the latest diagnostic equipment, and use good quality parts to ensure that your vehicle remains in top condition at all times. This also means that we will not invalidate any existing warranties on your vehicle. We endeavour to make your experience as smooth sailing as possible and so offer our customers a free collection and delivery service within 2 miles, the use of our courtesy vehicles (subject to availability) or the use of our comfortable waiting room which has Wi-Fi and refreshments. All work comes guaranteed.

Wincanton Motorsport Ltd, Unit 10, 11-12 Hopkins Court, Bennetts Field Trading Estate, Wincanton, BA9 9TD

Frequently asked questions on car diagnostics

How much does it cost to diagnose a car problem?

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.

Is a car diagnostic test worth it?

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

Can I do a car diagnostic myself?

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.

How long does a car diagnostic test take?

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

What are common car diagnostic codes?

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.

Is a car diagnostic test necessary for a service?

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.