Car Diagnostics | Book a Car Diagnostic in Doncaster

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 Doncaster

Our top pick

RAC Mobile Mechanic in Doncaster

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 Doncaster

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

Mets Garage LTD

5.0/5

Mets Garage is now Dinnington’s first female owned service centre. Mets Garage are devoted to their 62% female customer base and pride themselves on their same day next day service, to keep you on the road. PROUD TO BE A FAMILY BASED, LOCALLY OWNED BUSINESS Mets Garage provides their customers with a clean waiting room that has comfortable seating and FREE to use WI-FI. Mets Garage pride themselves on their same day next day service, to keep you on the road. We are Mets Garage Ltd. Your trusted, independent local garage that packs a punch! Our scope of service is comprehensive and covers (all but) the most niche automotive services. Mainstream coverage are things like: MOT, Service, Brakes, Tyres, Diagnostics, Clutches, Gearboxes and many many more. Our valued master technicians see hundreds of vehicles per year and our expertise is well trusted. Don't take our word for it, read satisfied customer reviews online. Book your appointment today.

Unit 4B Eden Place, Outgang Lane, Sheffield, S253QY

JCDC AUTOMOTIVE LTD

4.7/5

Thankyou for looking at JCDC Automotive Ltd. We are a Local garage based in Maltby, Rotherham. We are one of few Garages in Rotherham equipped with a 6 ton 2 post lift. This allows us to lift large vans and motorhomes. As well as the commercial side we cater to all makes and models for servicing, repairs and mots. With a small team of highly trained technicians you can be sure you're vehicle will be in safe hands!

Unit B2 Aven Industrial Estate, Maltby, Rotherham, S667QR

IN'n'OUT Autocentres Rotherham

4.2/5

At IN’n’OUT Autocentres we offer fixed prices MOTs and Servicing for any make and model of car with no hidden extras. We are proud to be a ‘Which? Trusted Trader’ so we are really a garage you can trust. We also have a 5 Star Trustpilot reviews rating. We provide OEM parts and 12 months warranty on all parts and servicing. We only use premium Castrol oils in all servicing. Our services are all completed ‘while-u-wait’ so you have never have the inconvenience of losing your car for the day. You can watch your car as it is being worked on through the viewing window or sit back and relax in our clean and comfortable customer lounges with FREE Wi-Fi and coffee and read the latest magazines. Check out our latest reviews and BOOK NOW!!

Unit 5A, Gate Park, Great Eastern Way, Parkgate, S626FR

Mick Jackson & Co Ltd

3.4/5

Introducing Mick Jackson & Co Ltd – The Tickhill MOT Test Centre! We are your local mechanic and MOT test centre in the heart of Doncaster, South Yorkshire. We offer a comprehensive range of services including car repairs, servicing, and MOTs. We are proud of the fact that most of our business comes from the recommendations from our previous clients. We have built up a solid reputation throughout South Yorkshire for over 30 years. We are known for delivering outstanding garage services at prices you can afford and we have many loyal customers who return to us year after year for all of their motoring needs. Our highly skilled team of mechanics work with the latest Tools and Diagnostic Equipment to identify any issues with your vehicle and fix them in the shortest amount of time possible. Our excellent customer service, fast turnaround, high quality workmanship and great value for money is what keeps our clients coming back to us!

Apy Hill Lane Tickhill, Doncaster, DN11 8PE

ARN Diagnostics Ltd.

3.0/5

ARN Diagnostics Ltd we have been an established garage in the Doncaster area for 10 years now. Our fully equipped garage offers a wide variety of services. We pride ourselves in excellent customer service. We look forward to hearing from you.

Unit 2, Balby Carr Bank, Doncaster, DN48DE

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.