Trustpilot rating for all RAC Mobile Mechanics.

Why choose the RAC for a glow plug repair?

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.

RAC Mobile Mechanics can carry out glow plugs repair on popular Mazda models such as CX-5, CX-30, Mazda2, Mazda3, and MX-5. This service is completed at your home or workplace, following Mazda maintenance guidance and using OEM‑equivalent parts. You get clear pricing, real‑time updates and a convenient, no‑hassle experience.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick for your Mazda

We’ll come to you at home or work

RAC Mobile Mechanic for your Mazda

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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.

A customer tending to her garage with an RAC Mobile Mechanic in the background

Book a glow plugs repair

If your diesel engine is having trouble starting, especially in cold weather, it could be faulty glow plugs. Our mobile mechanics can come to you at home or work to replace defective parts, all without the hassle of getting to a garage!

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

Vehicle diagnostic check

£99

We’ll spend up to 30 mins checking your car’s onboard management system for faults. We’ll talk you through repairs needed and provide a full report. If any further work is needed, we’ll agree this with you before we start. Any additional work after the first 30 minutes will be priced at £20 per 15 minutes. We’ll agree this with you before proceeding.

We’ll look for any mechanical or electrical problems. If we need to, we’ll also check your car’s onboard engine management system. Depending on your car and issue, this will usually include: – Engine – Power steering – Brakes – Transmission – Exhaust system – Fuel injection system – Cooling system and air flow – Sensors
If we detect any issues, we'll talk through what needs to be repaired. We’ll give you a no-obligation quote to fix it on the spot, if we can. Or we’ll recommend a local RAC Approved Garage, and give you a full error report to take there.

And it’s not just glow plug repairs that we can do for your Mazda

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

KMK Automotive - Walton On The Hill

5.0/5

KMK Automotive is an independent family-run business based in Surrey, backed by more than 30 years’ experience in the industry. With auto repair garages in Leatherhead and Tadworth, we deliver exceptional vehicle repairs and services for all makes and models and our qualified mechanics complete jobs of all sizes to the highest possible standard. Whether you need to repair a fault, or your MOT test is due, our AA & RAC-approved auto centre has got you covered. For a high-quality, cost-effective alternative to main dealer services, get in touch with our fully insured team today.
Rear Of 14 - 16, Walton On The Hill, Tadworth, KT207RT

SKS Auto Services Ltd

4.8/5

SKS Auto Services, owned by good friends and business partners Bradley Dawson and Nathan Hinks was established in 2005 and has a reputation for professionalism, technical expertise and quality workmanship.SKS are committed to honesty and always charge a fair price for the work we do. We only use parts equivalent in quality to the original part unless otherwise agreed and as a business we have also invested heavily in the latest technology and diagnostic equipment, meaning whatever the problem you have with your vehicle we will be able to resolve it. Our experienced technicians are always on hand to offer friendly advice and support.
14 Royce Road, Peterborough, PE1 5YB

Dino Motor Company Limited

5.0/5

We are a newly established garage, we are looking to build a healthy customer base, we operate on a commercial site located between the A30 and A33, perfect for commuters with our long oopening hours it is easy to drop off before work and collect after!. We specialise in servicing, and smaller jobs (Brakes, Suspension, Clutches, Gearboxes) but can do the major jobs aswell!
Brickhouse Farm Commercial Unit, Brickhouse Hill, Eversley, RG270PY

ZS Motors London Ltd

5.0/5

At ZS Motors London Ltd, we pride ourselves on delivering trusted, high-quality automotive services across Rainham (Essex) and east London. With years of experience in the motor trade, we specialise in MOT, engine rebuilds, servicing, diagnostics, and repairs for a wide range of makes and models. Our mission is simple to provide honest advice, reliable workmanship, and excellent customer service. Whether you’re buying your next car, maintaining your current one, or in need of emergency repairs, our expert team ensures your vehicle is always in safe hands. Based in Rainham (Essex) East London, we have built our reputation on transparency, integrity, and a commitment to keeping our customers on the road with confidence.
Unit 3 And 4 Blackwater Close, Fairview Industrial Park, Rainham, RM138UA

Ignition Auto's LTD

4.7/5

Here at Ignition Auto’s Ltd, our highly skilled team are committed to delivering outstanding mechanical repairs and services at affordable prices our workshop is. TRADING STANDARDS APPROVED. RAC ACCREDITED. AA APPROVED. IMI APPROVED. Based in Middlewich, Cheshire (JUST OFF M6 J18). we provide a range of services for cars, vans, HGV (including horseboxes), motorcycle and quads) all welcome in our workshops. Our technicians go through continuing extensive training which allows them to work efficiently so your car receives the best care and you receive fantastic customer service. It is essential that you have a trusty technician who can give you honest advice when it comes to your vehicle maintenance, and that’s what our team is here to do. We understand how important it is that you are kept in the loop and discuss any further work required with you and the options that are available. MOT re-tests are free of charge and we also include a free headlight alignment. With a wealth of knowledge the technicians here at Ignition Auto’s Ltd can carry out a variety of services but always apply the same level of expertise. Our OE quality parts are sourced from reputable suppliers and come with a standard manufacturer warranty. You can rest assured that your vehicle will leave our garage as good as new. We also offer all our products and services with a payment option of 6 months interest free payments going forward to cover your bill this takes a few minutes to do and can be done over the phone before work has taken place.
Ignition Autos Ltd, Brooks Lane Industrial Estate, Middlewich, CW100JH

Frequently asked questions on glow plug repair

A glow plug heats the air in a diesel engine to help it start, especially in cold weather.

When a glow plug fails, your engine might be hard to start, producing more smoke, engine misfires, and poorer performance.

You can, but it’s not a good idea. It can lead to poor engine performance, increased emissions, and overall damage.

Glow plugs typically last between 60,000 to 100,000 miles. Read your car’s manual and have them checked regularly.

It’s tricky and needs specific tools, so it’s best to let a mechanic handle it.

Replacing faulty glow plugs can improve engine start-up, reduce emissions, save fuel, and prevent engine damage.

It depends on your car’s warranty terms. They’re often not covered since they’re a wear-and-tear item, check with your warranty provider.

Yes, all diesel engines use glow plugs for starting, especially in cold weather. Regular maintenance and replacements are vital for the best performance.

Failures can be due to electrical issues, carbon build-up, corrosion, or incorrect installation. Regular maintenance helps prevent this.