Car Diagnostics | Book a Car Diagnostic in Derby

£70.25

Average price for this repair in Derby 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 Derby

Our top pick

RAC Mobile Mechanic in Derby

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 Derby

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

DC Tyres and Autocentre

5.0/5

DC Tyres and Autocentre is a well-established family run business operating in the Castle Donington, Derby area with many years’ experience in the motor trade. We offer a full range of services catering for all your motoring needs. We have a dedicated team of fully qualified technicians and VOSA approved MOT testers. This is complemented by our professional office team who make sure your experience with us is a pleasant one.

Unit 6 Enterprise Park, Trent Lane, Castle Donington, Derby, DE742PY

Monkey Garage Ltd

4.9/5

We are a super friendly vehicle repairs garage based in Derby, near the Meteor Centre and Chester Green. We have over 20 years’ experience in the motor industry from our expertise in the workshop to our customer service in the office. All servicing and repair needs are welcome but it's good to know we also specialise in diagnostics, engine repairs and the really big stuff where quality and competence comes above all else. We are competitive in price and if we can repair rather than replace to save you time and money, we will. We pride ourselves on our honesty, quality and customer service. Here at the workshop, we only source quality parts that come with a standard manufacturer warranty. In addition to this, our labour comes under a 12-month warranty, leaving you with peace of mind. Your vehicle maintenance shouldn’t be a stressful experience, our staff here at Monkey Garage will ensure the service you receive is smooth running. Get in touch to find out more.

Unit 2 Acorn Place, Alfreton Road, Derby, DE214AS

Greenfields Recovery

4.5/5

We are a family run business with full workshop facilities and 24 hour recovery service. All aspects of vehicle repairs, services, brake repairs , tyres and small jobs we have a waiting room with drinks available. We offer RAC vehicle inspections Services from £95.00 Tyres from £79.00 Electrical repairs Diagnostics We now offer a mobile repair service at your home or place of work. 24 hour breakdown/accident recovery available. At Eurorepar Car Service, we’re all about keeping you and your car moving with confidence. As a trusted network of local garages, we provide high-quality car maintenance and repairs tailored to your needs – all at competitive prices. With our exclusive Brakes for Life program and a 2-year parts and labour warranty, you can drive away knowing you’re covered for the long haul.* Ask your Eurorepar Car Service Centre to fit Eurorepar branded parts to qualify. Claims under the 2-year parts and labour warranty must be made at a Eurorepar Car Service Centre. Discover expert care, unbeatable value, and peace of mind – all under one roof. Ready to experience the Eurorepar difference? Request a quote or give us a call today! *Terms and conditions apply.

Unit 5 And 6 Hilton Industrial Estate, Derby, DE655FE

RGS MOTORS LTD

4.4/5

Welcome to RGS Motors LTD! With over 25 years of experience you can certainly trust us with your vehicle :) We provide a waiting room for all of our customers if you would like to watch the magic happen! If you would prefer to explore then take yourself to the shops we have nearby, ASDA is usually a favourite so you can provide yourself with some retail therapy before picking up your car. We also have a railway station situated approximately 100 yards away which is perfect if you would like to travel back home or too work.

Unit 3 Bloomsgrove Road, Ilkeston, DE78DQ

Elite MOT Station

4.4/5

Elite MOT Station offer a wide range of vehicle repairs and servicing for cars and vans in the heart of Sinfin, Derby. We pride ourselves on our honest and reliable approach to car repair. Elite mot station are a DVSA approved MOT test station and can MOT cars (class 4), and vans (class 7) vehicles on site. We pride ourselves on offering a fair MOT for a fair price. Based on Sinfin Commercial Park, we are located within easy reach of Allenton, Alvaston, Chellaston, Littleover, Mickleover, Normanton, Shelton Lock, Sinfin, and Stenson Fields. At Eurorepar Car Service, we’re all about keeping you and your car moving with confidence. As a trusted network of local garages, we provide high-quality car maintenance and repairs tailored to your needs – all at competitive prices. With our exclusive Brakes for Life program and a 2-year parts and labour warranty, you can drive away knowing you’re covered for the long haul.* Ask your Eurorepar Car Service Centre to fit Eurorepar branded parts to qualify. Claims under the 2-year parts and labour warranty must be made at a Eurorepar Car Service Centre. Discover expert care, unbeatable value, and peace of mind – all under one roof. Ready to experience the Eurorepar difference? Request a quote or give us a call today! *Terms and conditions apply.

4E Sinfin Lane Commercial Park, Sinfin Lane, Derby, DE249HL

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.