Car Diagnostics | Book a Car Diagnostic in Liverpool

£87.40

Average price for this repair in Liverpool 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 Liverpool

Our top pick

RAC Mobile Mechanic in Liverpool

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 Liverpool

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

MerseyGarages

5.0/5

We set up in 2016 as a garage to repair vehicles because we have been appalled at some of the horror stories we have seen and heard about garages with customers vehicles. No need to book time off from work/ home commitments. We offer a FREE collection and delivery service for your vehicle. We are an honest, transparent and open garage, who prides itself on looking after the customer. Once you've had your car repaired with us, you'll bring your family and friends here too, we guarantee it!

131 Great Howard Street, Liverpool, L37AT

Durley Garage & MOT Centre Ltd.

5.0/5

Durley Garage and MOT Centre have been catering for all car and light vehicle repair services in the Wirral since 1992 and we have over 38 years of continuous experience in the trade. The team consists of 7 qualified members of staff, please see a brief detail of the staff below. Graham Malam - Director and TechnicianStarted the company up along with his business partner and has been in the trade since 1974. Graham covers the majority of areas in the business he is an accredited motor engineer and a qualified City and Guilds technician. Greg Maxwell - Director and Technician Started the company with Graham in 1992 and covers majority areas in the business. He is an accredited Motor Engineer and qualified City and Guilds technicianIan Malam - Senior TechnicianHas been with the company since 1992 and is qualified City and Guilds technician. Ian is a specialist in Ford vehicles. Chris Halsey - TechnicianHas been with us since school when he joined us as an apprentice and he is now fully qualified technician specialising in Major engine repairs and gearboxes. He has achieved NVQ Level 3 City and Guilds. Office Staff Neil Malam - Service Manager and Diagnostic Specialist Has been with us since 2002 and he controls all aspects of work load, reception queries and accounts. He is a computer diagnostic specialist. All of our technicians are main dealer trained and fully accredited.

3 Prenton Way, North Cheshire Trading Estate, Prenton, CH433DU

R and S Services RAC Approved Garage

4.8/5

R&S Services is a small family ran garage and recovery service. We offer industry leading skills, equipment and experience at a fraction of the cost that main dealers charge now. Get in touch today for a competitive quote, contact Ryan or Sarah or find our page on Facebook and Google, and check out what our customers are saying about us! All of our work comes with a no quibble *1 year warranty* as a minimum, sometimes this is extended for certain parts such as batteries which have minimum 3 years warranty. We are an Approved RAC Garage, also approved by Trading Standards because of our strict working standards and code of conduct which is available upon request. We look forward to working with you! Get in touch today!

364 Brook Street, Birkenhead, Wirral, CH414LB

Car Bar and Wheel Spa

4.6/5

Car Bar and Wheel Spa is your trusted destination for top-quality car repair and maintenance services. As an RAC Approved Garage, we are proud to offer expert solutions that ensure your vehicle's optimal performance and your peace of mind. With a customer-centric approach and a commitment to excellence, we provide a range of services that cater to your car's needs. Experience professional care and the assurance of RAC approval at Car Bar and Wheel Spa. Contact Information: Address: 215 Knowsley Raod PhoneEmail: [email protected] Website: https://www.carbarandwheelspa.com/ Choose Car Bar and Wheel Spa for dependable car care and RAC-approved service you can count on.

Unit 1A 215-217 Knowsley Road, Bootle, L204NN

almondsgreen service center

3.7/5

here at almondsgreen we work on all types of vehicles ,we are a dvsa approved mot station and carry out all repairs by qualified staff

Unit 5 Nelsons Business Pk, Liverpool, L97BN

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.