Car Diagnostics | Book a Car Diagnostic for your Alfa Romeo

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 Alfa Romeo

We’ll come to you at home or work

RAC Mobile Mechanic for your Alfa Romeo

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.

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. Plus, when we’ve diagnosed the problem get £50 off mobile mechanic repairs over £150 – for a limited time only. ^†T&Cs apply. Offer ends 03/08, 23:59.

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.

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:

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 Alfa Romeo

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

Orpington Motorworks

4.9/5

Welcome To The South East's Leading Independent Mechanics & Vehicle Servicing Centre. Mechanics you can trust, next-day service available using the latest manufacturer’s diagnostic Equipment, all whilst saving you up to 40% on main dealer prices. About Our Vehicle Repairs & Servicing Orpington Motorworks offers a full range of Vehicle servicing and repair solutions all including good quality parts. Having an annual service for your vehicle is one of the best ways you can maintain its good condition and avoid some basic issues that if ignored can end up causing costly damage. One of the most important aspects of a service is the oil change. At Orpington Motorworks we use only the best quality parts for your vehicle, so when you come to us for a service or an oil change you know that your vehicle is getting one of the most advanced services. Prices start from £150 for a full service or £75 for a interim service. Please feel free to call us today to discuss a service plan to suite you. To ensure the smooth running of your vehicle it should be serviced once a year. A full service includes a series of maintenance checks including an oil change. Any issues due to wear and tear will also be noted should any further work be required. Fleet Vehicle Servicing Our fleet customers typically save up to 40% on repairs and maintenance. We specialize in all areas of fleet vehicle servicing including repairs, annual servicing, midterm contract inspections and end of lease contract preparation.

Orpington Motorworks, Unit 1, Court Lodge Farm, Warren Road, Chelsfield, Orpington, BR66ER

Paul Yates (Wirral) Ltd T/A Dave Campbell Autos

4.4/5

Dave Campbell Autos are an established local independent garage and are proud to be members of RAC Approved powered by 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 .

Unit 13 Grisedale Road, Bromborough, CH62 3QA

Dsr Autos Limited

4.5/5

If you’re looking for affordable quality work carried out by skilled technicians and delivered with great customer service in Leicester then you’re in exactly the right place. We are one of the leading independent motor vehicles repair specialist garages in Leicester. If you need a motor vehicle service, MOT or car, van and Lcv repair in the Leicester area for all range of manufacturers’ vehicles, our friendly local technicians are here to help today. DSR Autos Limited are approval by the RAC Garage Network & audited so you can can be sure both you and your car will enjoy a top-notch service giving you total peace of mind every time. **RAC approved garage network works to the RAC customer charter. A code of conduct which has been approved by the Chartered Trading Standards Institute so you can be absolutely confident that you’re in safe hands. We look forward to seeing you with your beloved vehicles MOT and repairs Our Services: Petrol, Diesel, hybrid & EV Testing Timing Belts replaced Air Con Regas/repair Brakes & Clutches Suspension & Steering Car Servicing & Repair Exhaust & Batteries Welding Mot Class 4 & 7 Arrange Used Cars Sales Finance Extended Warranty Payment Assist/ 0% interest free payments. Diagnostics Mercedes, BMW, And Mazda VAG Group Digital Service Available with Genuine Parts ( price available on request ) Repair Centre: Opening Hours: Monday to Saturday 08.30am to 06.00pm Used car sales: Opening Hours: Monday to Saturday 08.30am to 06.00pm and sunday 11.30 am to 04.30pm sunday is by appointment only. We only use quality replacement parts. All our workmanship is guaranteed with 12 months of parts and labour.

17 Layton Road, Off A47 Uppingham Road, Leicester, LE50PU

Great Horkesley Garage

5.0/5

First established in 1994, we have decades worth of experience to tackle anything you challenge us with! We are a very successful, family run business that provides MOT, servicing, fuel sales and a shop for everyday essentials. Our mechanics are fully qualified and committed to providing a high quality service at reasonable prices on all makes and models of cars and vans.

The Causeway, Great Horkesley, CO64EJ

HiQ Tyres & Autocare Gosport

4.9/5

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

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.