Car Diagnostics | Book a Car Diagnostic for your Audi

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 for your Audi

We’ll come to you at home or work

RAC Mobile Mechanic for your Audi

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.

And it’s not just car diagnostics that we do for your Audi

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

Turner Brothers

4.8/5

Established in 2000, Turner Brothers has grown in to one of the most comprehensive and forward thinking garages in the area. Services include anything from bulb replacement to full engine rebuilds and body shop facilities. We are a recommended Bosch Service Centre.

Turner Brothers Limited, Bottoms Mill, Woodhead Road, Holmfirth, HD9 2PX

West Hampstead Motors Ltd

4.5/5

Established in 1975. West Hampstead Motors Ltd. are expert in the servicing and repair of both classic and modern German vehicles. We specialise in Audi, BMW, Mercedes Benz, Porsche and VW cars. Alongside the service centre, our state of the art approved bodyshop undertakes all aspects of body work and restoration to the highest of standards.

155-161, Grafton Road, Gospel Oak, NW5 4AY

Bolton Tyre & Exhaust Ltd (OPEN 7 DAYS)

4.0/5

Bolton Tyre & Exhaust Ltd. Is a reputable vehicle servicing and repair centre based in Bolton, Lancashire. Being an established vehicle service and repair centre we specialise in all aspects of vehicle repairs, incl exhausts shock absorbers, vehicle diagnostics, vehicle air conditioning systems, MOT Testing, and vehicle servicing and repairs to all makes and models of cars and vans. We focus on providing excellent vehicle services to all customers throughout Bolton and the surrounding areas of Bury, Walkden, Leigh, Wigan, Chorley and Blackburn.

Topping Street Off Brownlow Way, Halliwell, Bolton, BL1 3UP

A G Toft Garage Ltd

4.4/5

We are a family run garage in the village of Bourn, Cambs. Our team collectively has over 100 years of experience and is dedicated to delivering every customer an outstanding experience. We specialise in welding and also major mechanical rebuilds, however, we cover a wide variety of repairs and services on all makes and models. All our parts come under manufacturer warranty. Established in 1985, our technicians are people you can trust for honest advice and trusty repairs. Throughout the process of repairs, we always keep you in the loop and discuss various options. We have local transport links nearby but if you wish to wait while we work on your car, we have a comfortable waiting room where you can enjoy refreshments and free WIFI.

Ag Toft Garage, 36 Gills Hill, Bourn, CB232TS

Eviva Automotive

5.0/5

Independent Mercedes, BMW and VW Audi Group specialist, also electric vehicle and hybrid specialist. At Eviva Automotive, we operate with a full spectrum of services for your vehicle. Our skill-set and experience are unmatched and our customer service sets us apart from our competitors. Manufacturers Specified Servicing Eviva Automotive pays close attention to manufacturers service schedules, utilising original manufacturers methods and parts, without dealership pricing. Reasons to use us: We offer a more personalised customer service than dealerships. We are fully versed in the latest vehicle technology. We are Manufacturer trained technicians. We have the latest dealership diagnostic equipment and latest Manufacturers working instructions. We are up to 50% cheaper than dealerships. We use transparent pricing ensuring no hidden costs. We only use genuine or high quality Original Equipment Manufacturer parts and lubricants. We are able to stamp your service books and update your online service history. We can carry out genuine manufacturers software updates and scn coding. We can service your vehicle without affecting your manufacturers warranty. We are level four hybrid and electric vehicle trained. We are so confident in the quality of our work we offer a minimum of 12 months warranty on all parts and labour. We are able to advise on technical issues with your vehicle and can offer expert advise. We are honest and reliable Fully focused on customer service, Eviva Automotive guarantees complete customer satisfaction. We can also provide a more personal experience than what dealerships can offer. Recommendation is everything and we take pride in displaying ours. We can’t wait to add you to our happy client list and leave your review of Eviva Automotive. It’ll help others make the right choice for their car. We are able to get you back on the road quickly saving you money in the process.. ICE, electric vehicle and hybrid specialist all brands of vehicles. Experience Knowledge Customer Service Dan Dan started his career in the motor trade by taking an apprenticeship at a classic car specialist in Blackpool. He then relocated to Greater Manchester working at Mercedes Benz dealerships for close to two decades, holding the position of senior technician and high voltage vehicle specialist. He didn’t halt at that instance as his inherent drive for vehicles took to another level, moving up to successful completion of his training in Milton Keynes at the Headquarters of Mercedes-Benz. During this period, he has acquired the following certifications; Mercedes-Benz certified Systems Technician Mercedes-Benz Telematic Specialist Mercedes-Benz Chassis Specialist Lithium-ion battery specialist Level 4 certified Electric Vehicle and Hybrid Specialist. Mercedes-Benz certified electrical, mechanical, and trim technician. IMI Diploma in Auto Electrics. Dan has an avid passion for new technology and welcomes developing changes from combustion engines to electric drives. James James of Eviva Automotive had a first-hand tutor during his formative years. He joined his dad at his garage every time he got a break from school. Working hand-in-hand with his dad, learning the trade, and fuelling his passion to further develop his skills in the motor trade.. After the successful completion of his academic studies he took his first step in the motor trade, by signing up for an apprenticeship with Volkswagen (VW), hereby clinching his accreditation as a qualified Volkswagen technician, after eight years of quality service. Striving to widen his exposure with top brands and gain more experience, he took a step further and joined BMW for training at their academy. To this end, added a BMW accreditation to his accolades. Fast-track to 2017, moved to Mercedes-Benz and soon, got accredited at their headquarters. Now, a proud label and brand himself as he has acquired full accreditation from the GERMAN BIG 3- BMW, VW, and Mercedes-Benz. Both parties stand as a firm structure and their experiences and skills serve as Eviva Automotives backbone. It’s quality hands on your vehicle.

Unit 3 Spring Mill, Moor Street, Heywood, OL103DD

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.