A customer in the garden with an RAC Mobile Mechanic in the background.A close-up of a customer tending to her garden with an RAC Mobile Mechanic in the background.
Service, Repairs & MOT

Car diagnostic in Urmston

Book an RAC Mobile Mechanic and we’ll come to you at home or work

  • State of the art equipment
  • No hidden costs
  • Mechanics you can trust

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 Urmston

We’ll come to you at home or work

RAC Mobile Mechanic in Urmston

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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.

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.
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:

We diagnose and repair clutch issues – whether your clutch is heavy or slipping, or you’re having trouble changing gears.
We check and correct alternator faults to keep your charging system running smoothly.
Oil is vital to a healthy engine, so it’s important to change it regularly.
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 Urmston

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

DS Auto & MOT Ltd

DS AUTO, is a family run business, based in Old Trafford and we cover all Manchester and the surrounding areas for Recovery, Breakdown and Garage service. We work alongside most of the insurance companies and will bet any quote, best price guaranteed. You can rest assure your vehicle is in safe hands. So give us a call
1 Wharfside Way, Trafford Park, Manchester, M171AW

Critchley Car & Commecials Ltd

Here at Critchley car and commercials Ltd we are a family run independent garage based in Worsley, Lancashire established in the year 2000. Our three highly trained technicians have over fifty years of combined experience ensuring only the highest standard of work is conducted on your vehicle. We are specialists when it comes to BMW and diesel vehicles and at providing specialty DPF and Carbon cleaning. We are also AA certified and RAC approved so you can be assured that your vehicle is in safe hands with us. In addition to the high quality of work we guarantee we also offer a range of additional services such as collection and delivery of your vehicle (in a 10 mile radius of our garage), provision of courtesy cars and transfers to local transport links so that our customers are never left stranded whilst we work on their vehicles, free customer WiFi and a customer car cleaning service. Give us a call today for all your vehicle maintenance and servicing needs.
Unit 3 Collins Industrial Park, 285 Chaddock Lane, Worsley, M281DR

Euro Testing Station

Hi we pretty much do everything except electrics. Also do Class 4,5&7 mots.
80 Greville Street, Manchester, M130YG

S Garages Ltd

S Garages Ltd is a local vehicle servicing and repair centre serving customers in Sharston Industrial Estate for the past 13 years. If your van or car needs services or engine repairs, remapping and tuning. We can help. We are a preferred choice for auto servicing and repairs.
71 Shentonfield Road, Manchester, M224RW

Queens Garage

Queens Garage is a trusted local automotive service provider, specializing in MOT testing, tyres, services and car repairs. With years of experience, we pride ourselves on delivering high-quality workmanship, fast turnarounds and exceptional customer service. Our team of certified mechanics ensures that each vehicle receives the best care, whether it's a routine service or a complex repair.
209A Queens Road, Cheetham Hill, M80RB

Frequently asked questions on car diagnostics

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.

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.

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.

Diagnostic tests take from 30 minutes to a few hours. This depends on what issues are being looked at.

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.

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.