Book a Car Diagnostic in Salisbury

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 in Salisbury

We’ll come to you at home or work

RAC Mobile Mechanic in Salisbury

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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.

Average cost of a vehicle diagnostic by car make^

The RAC charges a flat rate for the cost of a car diagnostic but prices may change due to inflation. According to RAC data, the average cost of a car diagnostic is £87.

Make	Average price
Ford	£105
Vauxhall	£105
Volkswagen	£105
Peugeot	£104
Mercedes-Benz	£104
Nissan	£106
BMW	£107
Audi	£106
Renault	£104
Citroen	£104

^Average price quoted for RAC Mobile Mechanics from 01/01/25 to 31/03/25.

And it’s not just car diagnostics that we do in Salisbury

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

Cavanfields Autocentre.

We have been established for over 18 years now, and are very proud of the excellent reputation that we have built up. We are proud to offer you a first class customer service and very competitive pricing, so please browse our stock list. At Cavanfields Uk Ltd we stock a range of used cars to suit all budgets and lifestyles so we are sure to have the right car for you.

Pennings Road, Tidworth, Salisbury, SP97SU

Andover MOT & Servicing Ltd

Car Servicing Andover offers everything you need from a modern state-of-the art workshop - with transparent charges and excellent customer service at the heart of everything we do. Our team of dedicated service professionals are here to meet your requirements and give you and your vehicle the best possible service and care As Car Servicing Andover are a Specialist service centre, all work and repairs are completed to the highest standard and you will receive a stamp in your manufacturer's service book. But we don't just service cars. We cover everything to do with your vehicle. Our experienced team of aftersales advisors will deal with the warranty company on your behalf and make all the necessary arrangements. We are one of the only service centres to offer free advice on your vehicle. If you have any problem or concern regarding your vehicle, please call our FREE advice helpline today. With all our experience would you want to go anywhere else? No additional work undertaken without your agreement. We will always advise you of any additional work and the costs involved and will not proceed with any work without your authorisation. Once the cost and work has been approved by you, work is then completed and you will be kept informed at all times of what your service will cost.

Broadway Garage, Suffolk Road, Andover, SP102JF

IN'n'OUT Autocentres Andover

At IN’n’OUT Autocentres we offer fixed prices MOTs and Servicing for any make and model of car with no hidden extras. We are proud to be a ‘Which? Trusted Trader’ so we are really a garage you can trust. We also have a 5 Star Trustpilot reviews rating. We provide OEM parts and 12 months warranty on all parts and servicing. We only use premium Castrol oils in all servicing. Our services are all completed ‘while-u-wait’ so you have never have the inconvenience of losing your car for the day. You can watch your car as it is being worked on through the viewing window or sit back and relax in our clean and comfortable customer lounges with FREE Wi-Fi and coffee and read the latest magazines. Check out our latest reviews and BOOK NOW!!

Andover Trade Park, Joule Road, Andover, SP103ZL

Portway MOT

A Family Owned & Run Multi Vehicle Workshop In Andover. Carrying Out Servicing, Repairs & MOT's To All Makes & Models of Cars, Vans, Motorhomes, SUV's, Motorcycles, Scooters & More Portway MOT Centre (formerly Hurstbourne Garage) have been trading since January 2006. We have a good reputation for high quality workmanship at reasonable prices. We pride ourselves on offering a friendly and reliable service, this is why our customers come back to us time after time! MOT's and servicing, along with general repairs are under taken at the garage for anything from a Motorcycle to a car and even vans up to and over 3 tonnes.

Unit 1, Brunel Gate, West Portway, Andover, SP103SL

Cadnam Garage Services

Whether needing an MOT, service or repairs, an ECU remap, or just another vehicle, our team of experienced technicians and support staff are happy to advise you in finding a solution to your requirements. Cadnam Garage is a member of the Good Garage Scheme, as well as an approved RAC and AA garage. We adhere to a strict code of conduct, which provides an open and honest approach to everything carried out in our workshops. While your vehicle is in our care, we will keep you informed every step of the way, and we will not undertake any additional work without your prior approval.

Southampton Road, Cadnam, SO40 2NB

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.