Car Diagnostics | Book a Car Diagnostic for your Jaguar

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 Jaguar

We’ll come to you at home or work

RAC Mobile Mechanic for your Jaguar

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 Jaguar

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

Swanmore Car Repair Centre

4.8/5

Swanmore Car Repair Centre is an independent repair garage established in 2008. We offer a wide range of services and commend ourselves by providing the best quality and efficiency on every single job we undertake. Our clean, modern and well-equipt premises allow us to welcome any repair and rectify it. We cover anything from a simple service, right through to a full engine rebuild. On-site we have a vast range of different diagnostics equipment from a range of leading suppliers. We can facilitate diagnostics to complete vehicle reprogramming depending on individual need. We can accommodate all vehicle make's and models and are happy to be able to provide you with a reputable dealer level of service, all for the price of an independent garage. Our team specialise in Clutch, Cambelt and Brake repairs and are proud to be rated a national top performer. We are members of the approved garage network This ensures you have peace of mind and confidence when repairing with us. All of our team here at Swanmore Car Repair Centre are fully qualified and trained to the highest standard. We strive in making sure we deliver professional work with results, always put the customer's needs first. Customer satisfaction is essential on each and every job, no matter how big or small. We are very pleased to be able to provide both a collection and delivery service within 10 miles, or a courtesy car subject to availability. Of course, however, you may just prefer to wait in our comfortable waiting room, with free Wi-Fi and refreshments on offer.

Unit 7 Swanmore Business Centre, Lower Chase Road, Swanmore, Southampton, SO32 2PB

Springbank Service Station

5.0/5

We are an independent family run business serving the local community for over 35 years.At Springbank Service Station you will find a filling station under the Jet brand incorporating a shop, Jet washes, vacuum and parking.We also specialise in servicing and M O T's to all makes of vehicleAll of our new and existing customers are greeted by friendly and helpful staff.

Ayr Road Irvine, Irvine, KA12 8NF

Ferdotti Motor Services Ltd

5.0/5

Ferdotti Motor Services is a reputable family owned business based in West Bromwich and have been established for over 30 years. As a local vehicle service centre we offer a wide range of services for cars and commercial vehicles including: MOT testing, servicing, repairs, diagnostics, laser wheel alignment, engine re-conditioning, welding and fabrication and bodywork. The quality of our work is reflected in our loyal customer base.

40 Pleasant Street, Lyng, West Bromwich, B70 7DP

Car M.D. (Mossley) LTD

4.8/5

Car M.D. (Mossley) LTD in Mossley.

Car M.D (Mossley) Ltd, Mossley, OL59BG

Portsoy Auto Services Limited

4.5/5

family run local business comprising of 4 highly qualified mechanics.we are based at portsoy aberdeenshire we are on call 24/7 for any motoring needs and recovery work,we pride ourselves on being one if not the chepest and most reliable garage in the local area and beyond. we cover all aspects of motor vehicle work including but not limited to....... mot preparation,welding,clutches,brakes,suspension,12v vehicle systems,diagnostics,ecu remapping,servicing. we offer an exclusive deal for our customers tailored to your individual needs. take advantage of our payment options we accept cash,credit/debit card apply/google pay we also offer a payment assist option. take a look on our website for further details www.portsoyauto.com

25 Seafield Terrace, Portsoy, AB452FB

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.