Book a Car Diagnostic in Fareham

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 Fareham

We’ll come to you at home or work

RAC Mobile Mechanic in Fareham

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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 Fareham

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

HiQ Tyres & Autocare Gosport

HiQ Tyre & Autocare Gosport, We are a local business that started from the ground up. As well as MOT’s and Servicing being our strength we are also able to offer Tyres for any vehicle, any size, any brand. In fact we do pretty much anything your car could ever need so if you’re unsure just give us a call. Reg and John the owners own and operate 3 HiQ’s across Hampshire and are experts in the industry with countless years of experience amongst them and the team. We are pleased to support our Military Personnel in Gosport and offer discount on production of ID. Our car care service offer includes Oil & filter service, interim and full car service schedules alongside Manufacturer Approved Warranty vehicle servicing. We also offer exhausts, brakes, clutches, MOT testing, car repairs, air-conditioning services, wheel alignment services and much more. Our team of mechanics and technicians work to the highest standard possible and are highly qualified to work on a range of various car and van marques. We are also proud to offer our customers excellent garage services at an exceptional price. Our trained technicians are very approachable and are able to provide expert advice in the best interest of your vehicle. We also offer Payment Assist so you can split your bill over several payments, however, this excludes payment for Tyres.

104 Fareham Road, Gosport, PO130BB

Swallows Volvo Specialists

We are proud to supply the people of Gosport with high-quality vehicle repairs, MOT tests and services - as well as excellent customer service. Our team are motor experts and can provide all kinds of services including MOT testing, repairs and full, interim or major services. Makes and models of ALL vehicles, not just Volvo

8A Alphage Road, Gosport, PO124DU

Cawte And Elms Autocentre

Cawte and Elms Autocentre is a long established family run business who have been trading in Gosport for many years. We endeavour to work with each individual customer, to ensure we manage every step of the process enabling you to be in control to achieve complete customer satisfaction. Our managers are the single point of contact for every customer. They ensure our customers are briefed on the work required and also they understand the cost of the work being carried out and the timescales to complete. Each manager is backed up with a team of MOT Testers and Technicians who all work together with the common aim of looking after the customer.

3-7 Cambridge Road, Gosport, PO123ED

PGS Garage Services

PGS Garage provides MOT testing, car servicing and vehicle repairs for customers in Portchester and surrounding areas. Catering to all types of vehicles and specialising in all makes and models of vehicle, we provide top-quality car services at great prices. Customers of PGS Garage will get the best of both worlds with the experience of a long-established business and the top-of-the-range facilities from a brand new purpose-built facility which includes all the modern technology you would expect for a top spec garage. PGS Garage has been established for more than 40 years in Purbrook and surrounding areas but has recently relocated to brand new premises in Portchester, providing state-of-the-art equipment and an extra bay to enable even more of our customers to benefit from the services.

1A Hamilton Road, Castle Trading Estate, Portchester, PO6 4QE

Owl Motor Services Ltd

Owl Motor Services 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 We cover Bexhill-on -Sea, Hastings and Seaford areas

Richmond Road, Southsea, PO5 2LN

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.