Book a Car Diagnostic in Exeter

£174.74

Average price for this repair in Exeter 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 in Exeter

We’ll come to you at home or work

RAC Mobile Mechanic in Exeter

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.

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 Exeter

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

F&M Autocare

5.0/5

F&M Autocare is newly established business with over 50 years of experience in the motor trade. Dave, Paul & Dan can guarantee your car is in the right hands and will be back on the road in no time. We offer a free courtesy car or collection and delivery from home or your place of work. Covering all aspects of automotive repairs including servicing, timing belt replacement, clutches, brake inspection and Aircon Servicing. We also undertake all bodywork repairs from small dents to accident damage. Using only OE quality parts with all our work guaranteed you can relax and let us deal with the stress of fixing your vehicle.

Unit 1 South View Industrial Estate, Willand, Cullompton, EX152QW

Lovells Garage

4.9/5

Lovells Garage is an independent family run Garage in Ottery St Mary, Devon. In a nutshell, this is what we can do for you: MOT/ Repairs Work Fault testing and diagnostics using our high-tech testing equipment. We can service all makes and models of car, in line with manufacturer recommendations or even basic oil services. Exhausts, tyres and brakes. Cam belt, Aux Belt and Water Pump replacement. And much more..

Brook Street, Ottery Saint Mary, EX111EZ

Foxhayes Garage

4.2/5

Established in 1981 based in Exeter, Foxhayes garage is a family owned and run business and between our team of highly trained technicians/mechanics have over 100 years of combined experience working on motor vehicles of all makes and models. We have all of the latest diagnostic equipment and up to date modern vehicle ramps, so we are well equipped to pinpoint diagnose and then repair any issues your vehicle may have. We also offer specialty carbon cleaning which can have several benefits for your vehicle including improved exhaust emissions, improved engine efficiency, significantly improved compression, prolonged engine life and increased performance, improved mpg, cut emissions and more. All labour and parts we provide will also be covered by a 12-month warranty to give you peace of mind. We look forward to hearing from you and for more information on the full range of services we provide please visit our website: WWW.FOXHAYESCARSALES.CO.UK

127 Exwick Rd, Exeter, EX4 2BH

MillTop Motors

4.0/5

Are you looking for a team of trustworthy, fully qualified, and experienced mechanics? Then Milltop Motors are the ones you can trust most. With over 10 years’ experience in the local area, we have built on our reputation of being a friendly, affordable, and trusted team of professionals. From vehicle performance upgrades to bespoke fabrication, we are certainly not limited to what we can do for you. So, if your vehicle is long overdue some well-deserved upgrades and servicing, be sure to give us a call. www.milltopmotors.com

Unit 1 Bond House Lane, Whitestone, EX42HF

SD Auto Repairs

3.0/5

Visit our car garage on the outskirts of Cullompton for highly skilled mechanics. With over 10 years in the trade, we are fully qualified in all aspects of mechanical work to make sure your vehicle is running smoothly and, most importantly, safely. Our core services include diagnostics, servicing, MOT testing, air conditioning repairs, tyres and suspension maintenance, and brake and clutch replacements and repairs. Additionally, we also work efficiently and effectively to meet your deadline. Just get in touch today to speak to a trained mechanic.

Unit A12 Mercury Business Park, Exeter Road, Devon, EX54BL

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.