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 for your Renault

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

£149.29

Average price for this repair for your Renault in the last 30 days^

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 Renault

We’ll come to you at home or work

RAC Mobile Mechanic for your Renault

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.

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.

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

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

A1 Motorsports Ltd

5.0/5

At A1 Motorsports ltd, we pride ourselves in repairing vehicles to a satisfactory standard. Using our knowledge and diversity of skills, our services we offer range from Servicing too full engine rebuilds including timing chains and timing belts Based in Longfield/Dartford, with the necessary tools needed to repair a large variety of vehicles.
Chalk Croft Transport Yard, Longfield, Kent, DA28DX

Diplock Fuel Injection Services Ltd

5.0/5

We at Diplock Fuel Injection Services Ltd are a professional and friendly company based in Hailsham. Established since 1985, with individuals having over 50 years experience our car mechanics offer an array of car maintenance services. We specialise in diesel fuel injection and MOT testing, and can offer a comprehensive selection of repair work. We have built up a highly sought-after reputation and we come highly recommended by people in the trade. We also pride ourselves on offering very good rates on MOT tests; so please contact us for an unbeatable price!
Unit 3/4 Avocet Way, Diplocks Way, Hailsham, BN27 3JF

Livingston Autocentre.

4.0/5

We are a small independent garage with years of experience. We have a great team of engineers who can help with anything from the smallest of problems to the mighty ones. We offer quality services and MOT's. We are a fully approved RAC garage, licensed and insured. Book your car in for a service today and avoid a small issue becoming a mighty one. We work with a number of suppliers to make sure we can fix your car to a high standard. We provide a wide variety of services. As a general rule; it is recommended that your car receives a full service every 12,000 miles or every 12 months. A regular service can help to keep your car running smoothly and identify potential problems early on, reducing the risk of more serious and costly problems in the future. MOT CHECKS MOTs are a legal requirement. Every year, cars over three years old need to have a check to make sure they are roadworthy and meet the environmental standards set by the government. Without this test, your vehicle insurance will become invalid as your car may not be safe to be on the road. Testimonials “Really friendly garage and great service. I had an unexpected puncture and they managed to fit me in and get me back on the road in no time” — NAOMI GALLAGHER “Really great garage and so convenient for my MOT, I would normally have to travel to Bathgate. So it’s a lot closer to Home ” — IAN ANDERSON “I’m so grateful for the team at Livingston autocentre” — CLAIRE WARD
Simpson Parkway, Kirkton Campus, Livingston, EH547BH

Certified Repair Centre Ltd.

5.0/5

Certified Repair Centre Ltd. is a independent garage that prides itself on completing thorough diagnostics with every job, no matter how big or small. We are proud to a part of the RAC, Assurant, Cazoo, Close Brothers approved garage network as well as Warranty approved repairers. Using specialist tools and our expertise we are able to diagnose and understand almost any car. We aim to deliver personalized customer service to best inform the customer of long term cost effective solutions. Our personalized programming services are in high demand and are used by service garages across the UK. We specialize in: Warranty Repairs Timing Chains/Belts ECU Programming DPF / EGR / AdBlue Solutions Maintenance and Servicing Engine Rebuilds and Upgrades We are proud to offer diagnostic and software solutions that are not available from others. ***Please Note: We do not currently offer MOT's but can offer appointments at other local garages at competitive rates.
Unit 26 Downs Road, Willenhall, WV132PY

Central Garage Lakenheath

5.0/5

Thank you for choosing Central Garage lakenheath. We are a family run, friendly garage based in Lakenheath, close to the Norfolk border (IP27 9EW). The garage itself was established in 1965 and we have been here for 10 years now. We have experience in all makes of car and all types of work on these. We also do motorcycles! We focus on you, the customer, to get the best solution for whatever problem your car is exhibiting at the lowest cost possible, it all helps!, while giving you the best experience we can. We are always available to discuss problems with you car, although between 8am and 6pm is the best times! We are looking forward to welcoming you to Central Garage Lakenheath - kettle is on!!
100 High St, Lakenheath, Brandon, IP279EW

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.