Book a Car Diagnostic in Lincoln

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 Lincoln

We’ll come to you at home or work

RAC Mobile Mechanic in Lincoln

CDRSD-703_SEO500_-_Location_Page_-_Top_Pick_-_800x450.webp

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.

Close up of an RAC Mobile Mechanic running a vehicle diagnostic check

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.

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 Lincoln

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

PK Automotive Solutions , Bosch Car Service

We are a specialist Diagnostic and Service centre based in the North of Lincoln offering the widest range of services. We are a Bosch Car Service Centre and Delphi Diesel Agent, not only this but we are approved by many motoring bodies, including the RAC, Trading Standards, Motor Codes, RMI, Trust My Garage, Foxy Lady and we are also an IMI Recognised Employer. Testament to our quality.

Units 2 -4 Deacon Business Park, Deacon Road, Lincoln, LN2 4JB

Lincs auto solutions Ltd

Welcome to Lincs Auto Solutions! We are a family-run business located in Lincoln with over 40 years of experience in the motor trade. Our team is dedicated to providing top-notch vehicle repair and maintenance services for all makes and models. At Lincs Auto Solutions, we pride ourselves on being friendly, well-priced, and knowledgeable. Our goal is to not only fix your vehicle but also provide exceptional customer service. We understand that vehicle repairs can be stressful and costly, which is why we strive to make the process as hassle-free and affordable as possible.

Unit 1, Station Road, Lincoln, LN63QY

IN'n'OUT Autocentres - Lincoln

Professional MOT and Servicing while you shop. Simply drop off your vehicle and we’ll complete your service, MOT test or repair while you shop or relax in the café at Morrisons. With over 30 Autocentres across the UK and a 5-Star Trustpilot rating, IN‘n’OUT Autocentres is the big local garage you can trust, making caring for your car even easier.

Tritton Road, Lincoln, LN67QL

Vulcan Motor Engineering, Bosch Car Service

We are a member of Bosch Car Service. Vulcan Motor Engineering is one of Lincoln’s leading independent garages, offering a wide range of vehicle repair and maintenance services all under one roof. We are an MOT-testing station for Class 4, 5 (light), & 7 MOTs, and service all makes and models, including electric and hybrid models. Our technicians are experienced and knowledgeable, treating every car and van they work on with care and attention to detail, and our customer service is exceptional. With access to excellent business support resources such as training and technology, our garages also retain the friendly and approachable feel associated with smaller businesses, along with that all important local knowledge. While each of our Bosch Car Services are different they all share common benefits • Our open and honest approach offers customer a high standard of work and excellent value for money • We bring peace of mind the motorist with our 12 month guarantee on parts and labour • Customers are invited to rate and review all our garages, so you know what to expect before you arrive, and can choose the best centre for your needs. • Above all, we pride ourselves in always offering high standards of workmanship and friendly, helpful service.

The Quarry, Grantham Road, Lincoln, LN59NT

CTR UK LTD

CTR UK Ltd offers a wide range of repairs, services and inspections for all cars, vans and trucks. From services and MOT's to clutches, wetbelts and timing chains - we specialise in changing the 204DTD JLR timing chains and Ford wetbelts. Computer diagnostics and a wide range of additional services. Roadside Breakdown Assistance with our fleet of mobile vehicles.

Ctr Uk Ltd, 30 Moorland Trading Estate, Metheringham, LN43HX

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.