Car Diagnostics | Book a Car Diagnostic for your Ford

£72.87

Average price for this repair for your Ford in the last 30 days^

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 Ford

We’ll come to you at home or work

RAC Mobile Mechanic for your Ford

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

For a limited time, get £50 off repairs over £150 when you book a diagnostic test. Offer ends 09/12/25, 09:00.^**
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.

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 Ford

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

A1 Tyres and Exhausts

5.0/5

With over 30 years experience of automotive repairs in Coventry, A1 Tyres and Exhausts is a name that you can rely on to deliver a professional, high quality, and reliable service, that will meet all of your car needs. And above all, we are a name you can trust again and again.

Unit 12-13, Relton Mews, Coventry, CV65HE

SH Diesel Repair Centre UK LTD

5.0/5

we are a Independent Injector & Turbo Specialist , Common Rail Injector Testing + Reconditioning & New available All Mechanical work undertaken from Services, Brakes, Exhaust, Suspension to Major engine work and Engine Rebuilds. Diagnostics Tyres At SH Diesel We are all professional, highly trained mechanics

66 Arthur Street, Lake Side, Reddich, B988JY

A1 Motorsports Ltd

5.0/5

At A1 Motorsports ltd, we pride ourselves in repairing vehicles to a satisfactory standard. Using our knowledge and diversity of skills, our services we offer range from Servicing too full engine rebuilds including timing chains and timing belts Based in Longfield/Dartford, with the necessary tools needed to repair a large variety of vehicles.

Chalk Croft Transport Yard, Longfield, Kent, DA28DX

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

LM MOTOR CLINIC

4.8/5

Welcome to LM Motor Clinic in Kilmarnock. We are a long-established well run Castrol Service Centre providing exceptional garage repair services all provided by fully qualified and experienced technicians at competitive prices. Based in Kilmarnock, whether you need servicing, repairs or even diagnostics we can help. Our technicians have over 30 years combined experience in the motor industry so you can always rely on LM Motor Clinic for first-class servicing and repairs. What We Can Offer: Car & Van Servicing & Repairs Tyres & Exhausts Clutch Replacements Diagnostics Oil Changes Breakdown Recovery Castrol service Centre Flexible Payment Options As well as the above we also provide our customers in Kilmarnock with the following, Fair and Friendly Service, Pick Up Drop Off Service & all our garage services are Competitively Priced making sure you get the best possible rate for your service. Find out how we can help you Quality Work Honest Pricing Exceptional Customer Service Complete Peace of Mind We Have the Lastest Diagnostics with Dealer Software. Voted Scottish Garage of the Year and Scottish Specialist Garage of the Year at the Scottish Garage awards

19 Dean Street, Kilmarnock, KA31DY

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.