Car Diagnostics | Book a Car Diagnostic in Farnham

£619.79

Average price for this repair in Farnham in the last 30 days^

Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for a car diagnostic?

At the RAC, we've got over 125 years' experience helping UK drivers. We have the skills and knowledge to keep your vehicle running.

Plus, with RAC Mobile Mechanics, you can avoid the hassle of taking your vehicle to a garage when you need a repair. We’ll come to you, at your home or work.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick in Farnham

Our top pick

RAC Mobile Mechanic in Farnham

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. 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 in Farnham

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.

Try one of our RAC Approved Garages

View all garages

Rowledge Garage

5.0/5

sed in Rowledge Surrey, Rowledge Garage provides a quality, reliable motor engineering service covering all garage operations from MOTs to car servicing and auto diagnostics. The garage offers free vehicle pick up and drop off to customers for your convenience, plus competitive pricing with a personal service.

5 The Square, Rowledge, Farnham, GU104AA

Liphook Auto Services

5.0/5

We pride ourselves on our customer service and our online feedbacks speak for themselves. We are based in Lindford at Broxhead trading estate. Come and experience how a garage visit should be!!!

Sterling House, Broxhead Trading Estate, Lindford, GU350JX

Ravenscroft Motor Company

4.6/5

Our garage in Fleet, Hampshire provides MOT Testing, car servicing and offers a comprehensive range of car repairs. We work across all makes and models and have an excellent reputation throughout the local area for our efficient, professional and affordable service. Since 1979 Ravenscroft Motors has provided Fleet and the surrounding area with a variety of garage services and are proud of the strong customer loyalties that have developed over this time. When leaving your vehicle in our care‚ you can be assured that our team of dedicated professionals are committed to providing you with the highest levels of expert services at value for money prices. We hope that we may be able to assist you with your motoring needs and look forward to welcoming you to our Fleet Road service centre.

57-61 Fleet Rd, Fleet, GU513PJ

Swiftest Motors Ltd

3.7/5

Swiftest Motors of Aldershot are a friendly and honest independent garage dedicated to providing sensational service to you and your vehicle. We are here to build solid and trusting customer relationships based on providing a truly excellent service with great value. We want to prove to you that we will go the ‘Extra Mile’ to gain your custom and, more importantly, retain it. As a proud member of the RAC Approved Garage Network our mission is to always provide you with the highest quality of auto repair and exceptional customer service. Our skilled team of highly qualified motor engineers will always get you back on the road as quickly and efficiently as possible.

Swiftest Motors Ltd., 17 Blackwater Way, Aldershot, GU124DN

Farncombe Service Station

3.0/5

Farncombe Service Station

Meadrow, Godalming, GU7 3HT

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.