Car Diagnostics | Book a Car Diagnostic for your Fiat

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 Fiat

We’ll come to you at home or work

RAC Mobile Mechanic for your Fiat

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.

A customer tending to her garage with an RAC Mobile Mechanic in the background

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.

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 Fiat

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

Scallons Auto Services Ltd

4.7/5

Scallons Auto Services, is on Water Street, behind the new Tesco Express. At our Garage we aim to give our customers the satisfaction that all work has been carried out professionally, within a reasonable time frame, at a competitive price. We hope that all customers will return and recommend us to their family and friends.

58 Water Street, Thornton, Liverpool, L23 1TB

Hardacres Garage.

4.9/5

Hardacres Garage is a family owned and operated business in the heart of Mid Devon serving the local community of Tiverton and the surrounding area. We pride ourselves in being open and honest. Our work is carried out by qualified mechanics who specialise in BMW, Land Rover and Isuzu's. All types of work is carried out including fabrication and welding, servicing and repairs of all makes of Cars Vans and 4x4s.

29-31 Leat Street, Tiverton, EX165LG

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

LM Motor Clinic - Kilbirnie

5.0/5

With over 20 years motor trade experience, 2020 saw the establishment of LM Motor Clinic. A business driven by customer service. The ethos at the heart of LM Motor Clinic was to deliver an excellent customer service experience to all customers. We are North Ayrshires only Rac approved Garage. We are also Ayrshires only Castrol service we ensure we use the correct oil for your vehicle. Call us today to book your next service.

30 Holmhead, Kilbirnie, KA256BP

Reliance Auto Test Bicester

4.3/5

Reliance Auto Test has been in business for many years, branching out to our Bicester branch providing a one stop shop for all your Car & Van requirements. We have served local residents of Bicester and surrounding areas with a friendly, high quality service that has kept us in business. All our staff are fully qualified vehicle technicians and we are fully insured. Many of our customers come back year after year enjoying a service that is personal and great value. We are open for business 5 days a week, Monday to Thursday 8.00am - 6 pm, Friday 8.00am - 5pm and Saturdays By appointment only “Honesty is our best policy.

Unit 16, Wedgewood Road, Bicester, OX26 4UL

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.