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 in Worthing

Book an RAC Mobile Mechanic and we’ll come to you at home or work

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

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 Worthing

We’ll come to you at home or work

RAC Mobile Mechanic in Worthing

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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.

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.

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 Worthing

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

CENTRAL AUTO REPAIRS LTD

Central Auto Repair Services is a place where we repair cars with the utmost care and attention. While you can go to several other garages for the same work, we give you plenty of reasons for why should you rather visit us. Since its establishment, Central Auto Repair Services has never stopped evolving and upgrading its facilities and services. We want to make sure that we take care of your vehicles in the best possible way, as it is something that you treasure so much. Over the years, word of mouth has been our biggest advertisement method. We have made sure that we provide our customers with nothing less than satisfaction, while they let others know about our standards as well. From a small garage run by a family to being one of the best garages in the city, Central Auto Repair Services has a story of its own. While the first technicians were none other than the family members, we now take pride in our extended family of experts. Over time, we have trained our technicians extensively to make sure that they deliver nothing less than quality services. We also make sure to help them gain confidence and fluency with their work, which is helpful when someone asks for advice related to their cars. They are now some of the best technicians in the city which is all thanks to their years of hard work and dedication. While our experts have contributed so much time in making themselves better and more efficient, we considered it our duty to help them as well. We make sure that the latest pieces of equipment are available at Central Auto Repair Services. This helps them enhance their work quality even more while being able to satisfy our customers with more efficiency. Our customers have never had to complain about an issue that wasn’t dealt with properly, and neither about some issue which could be the result of our carelessness. We know that your time is precious, and so are you for us. We offer a wide range of best in class services for your car. We can efficiently deal with all the parts of your car like brakes, clutches, cambelts, wheel balancing and alignment, diagnostics, etc. We make sure that all of these services are dealt with the greatest care and no scope of error is left. As part of our efficient servicing system, all the cars undergo a complete check-up to ensure that the work done is proper and effective. Central Auto Repair Services are not only known for their diagnostic services, but also for providing our customers with quality products. In case you are looking for a new set of tyres for your car, you can get some of the best ones from us. We have a wide range of latest tyres from top manufacturers like Bridgestone, Continental, Dunlop, Michelin, and Yokohama. We have a collection of all the types of tyres that they manufacture. From budget tyres to performance tyres, Central Auto Repair Services is a hub for all types of tyres. We work for your satisfaction and to gain your trust through our work. We promise to deliver nothing but top-notch quality services to our customers and never let them be in trouble due to our ignorance. Being a family-led business, we know what safety of your loved ones means and we make sure to never compromise it. Visit us at Central Auto Repair Services and you’ll never have to give it a second thought to visit us again. We believe that the only hard work that you should do is pay the bills, the rest is our stuff to take care of, and we do that damn well.
Central Auto Repair Services, Bridge Road Garage, Worthing, BN147BU

Clarion Cars ltd

We're a family-run business that has been providing customers with uncommonly friendly and honest service for the last 41 years! We're based in Worthing, West Sussex and offer BUYING, SELLING, SERVICING and SOURCING of new and used cars, and even just the odd bit of advice! We are the main dealers for KGM/SsangYong but we are able to service and maintain all makes of cars, notably, specialising in VW/Audi group vehicles, which encompasses Skoda, Volkswagen, Audi and Seat. We'll take as much care servicing and maintaining your car as the manufacturers' did building it. Our highly trained technicians will keep your vehicle in prime condition and safe on the road while the rest of our staff will ensure specified, high-quality lubricants and parts are used to ensure you get the most out of your machine. A car is a big investment and one of the best ways to protect it is through quality servicing and maintenance at the correct intervals. Please contact our Service Department on
84 South Street, Worthing, BN147LS

Auto Repairs And Recovery

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. We cover Littlehampton and surrounding areas and offer courtesy cars as well as a free collection and delivery service.
Unit C1 Riverside Industrial Estate, Bridge Road, Littlehampton, BN175DF

Bayley's vehicle locksmiths ltd

Bayleys Vehicle Locksmiths are an experienced, reliable and skilled local business based in Hove, East Sussex. We cover the whole of Sussex, Surrey and Kent and offer a 24 hour emergency response. VEHICLE LOCKSMITHS – VEHICLE REPAIR – MOT AND SERVICING WE OFFER COMPLETE KEY CUTTING AND CODING FOR MOST VEHICLES, INCLUDING HGVS & LGVS. HAVE YOU LOST YOUR HGV KEY OR NEED A SPARE ONE? WE COVER THE WHOLE OF SUSSEX, SURREY, AND KENT AND OFFER A 24-HOUR EMERGENCY RESPONSE. WE PROVIDE A FULL CODING SERVICE– ECU CODING – BSI UNITS AND CIM UNITS. ALL DONE AT OUR WORKSHOP OR WE CAN COME TO YOU. We offer complete Key cutting and coding for most vehicles, including HGVs & LGVs. Our team of experts can get your car fixed up in no time, so you can get back to your busy schedule. We also offer MOT and servicing services, so if your vehicle is due for its annual check-up, give us a call! Our expert technicians are only a phone call away when you need them!
Unit 1 D, Cambridge Grove, Hove, BN33ED

KIS Autocentres Ltd

Here at KIS Autocentres our quality of engineering expertise and customer service is “second to none”. To tell the truth, we are proud of the high standards that we achieve at KIS Autocentres. In other words, we take pride in knowing our customers have confidence in our garage. When it comes to your prestige car, we know it needs some love and care and because of this, our quality never fails. We are audited by, and accredited to the Trading Standards Institute (TSI) to guarantee that we maintain the high standards. You can rely on us for fast, expert and affordable vehicle servicing and repair work. For everything your car needs. Our contactless concept explained: On the day of your booking, you will receive a locker code via text shortly after 6:45. You will need to find our locker system located directly outside our units, for a quick and easy drop off. Use the 6 digit code sent to you via text or the QR code using the link, place your keys in the designated locker, close the locker door and leave your car with us. Please expect your vehicle to be with us for 4-6 hours. The sooner you drop off the better. We ask customers to drop off between 8-10. If you need an overnight locker to drop off a day in advance please call or email us so this can be set up. Please note there is limited parking on site therefore lockers will only be set up a day in advance. Once your vehicle has been seen, you will receive a link to view a breakdown of your vehicle healthcheck. Using this link you can accept or decline the recommended work, you can also use the chat service using this link to talk to a member of our office team. In regards to payment, this is done via bank transer or payment link. Payment is requested after the vehicle is complete. If you have any questions regarding our concept, please email [email protected].
Unit B8 - B11 Hollingbury Trading Estate, Crowhurst Road, Brighton, BN18AF

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.