Car Diagnostics | Book a Car Diagnostic for your SEAT

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 for your SEAT

Our top pick

RAC Mobile Mechanic for your SEAT

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 SEAT

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

T & K Motors

4.9/5

T&K Motors have been established for more than 30 years and are a helpful friendly garage, we carry out MOT’s, servicing and mechanical repairs on all makes and models of vehicles. We pride ourselves on offering main dealer quality of work, at independent prices, whilst ensuring that your warranty remains intact by using genuine or manufacturer approved parts, and are usually able to save you over 60% in price comparison. Our mechanics are fully qualified with many years of experience behind them in the motor industry, who take great pride in their work. Our services include the following; • All makes serviced to manufacturer's specification • MOT VOSA class 4 and 7 Car and Light Commercial • Air Conditioning re-charge and leak testing • Batteries/Alternators checked and replaced • Brakes pads and discs, brake fluid changes • Clutch replacement and repair • Cylinder Head repairs • Engine management light diagnostics • Exhausts repaired and replaced • Free vehicle health check • Fuel injection diagnostic/repair • Oil and filter changes • Suspension spring replacement specialists • Timing belts and water pump replacement • Tyres fitted, balanced and aligned • Van servicing and repairs • Free Vehicle diagnostic checks • Welding repairs to MOT standard • Warning lights diagnosed and reset * Car Service, Van Service, Commercial vehicle service

47-53 Green Street, Ayr, KA88BQ

Springbank Service Station

5.0/5

We are an independent family run business serving the local community for over 35 years.At Springbank Service Station you will find a filling station under the Jet brand incorporating a shop, Jet washes, vacuum and parking.We also specialise in servicing and M O T's to all makes of vehicleAll of our new and existing customers are greeted by friendly and helpful staff.

Ayr Road Irvine, Irvine, KA12 8NF

IN'n'OUT Autocentres Spalding

4.3/5

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 Spalding autocentre can also MOT testing for class 4, 5 & 7 vehicles. 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!!

Warden Tree Lane, Pinchbeck, Spalding, PE113UG

MR CLUTCH

5.0/5

HIGHLY EXPERIENCED TECHNICIANS . FREE DIAGNOSTIC CHECKS , NATIONWIDE WARRANTIES , ESTABLISHED OVER 35 YEARS

11 Goulds Close, Bletchley, Milton Keynes, MK1 1EQ

Freelance Mechanics

4.3/5

In 2009 I started Freelance Mechanics Ltd, not quite knowing how it would pan out, but im glad to say we have gone from strength to strength.Going from me and my van traveling round helping garages when short staffed to now owning my own garage, where over the last 3 years i have invested heavily in training because although I'm NVQ level 3 trained,cars have moved on massively since staring in the trade 24 years ago.We are specialist in the following. 1) IMI (institute of motor industry) approved in clutch,flywheel and hydraulic systems. 2)DPF (diesel particulate filter) and add blue systems. Hybrid systems level 2 and 3. 3)Double clutch systems ie VAG groups DSG box (the only one in the area to be trained in this qualification. 4)Level 3 trained in brake systems. 5)We are specialist in gearbox repairs and we are also the areas only ZF pro tech centre,with on site support from ZF. 6)We are also mapping agents for bhp uk ,giving us exclusive rights to the area. 7)Terraclean service centre a unique de-carbonising system that can clean DPF filters as well as EGR (exhaust gas recurculating )valves. 8)We are members of the motor codes of practice and have just been inspected by the AA and passed with flying colours. 9)we offer a collection and delivery service to all customers and have 2 brand new courtesy cars on order so if your looking for a garage to fit anything from a from a bulb to an engine rebuild we are more than glad to help. For a limited time only we have 500 10% loyalty cards available please call

Unit 3D Park Rd Ind Eestate, Park Road Industrial Estate, Barrow-In-Furness, LA14 4EQ

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.