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 Lexus models such as NX, RX, UX, ES, and IS. This service is completed at your home or workplace, following Lexus 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 Lexus

We’ll come to you at home or work

RAC Mobile Mechanic for your Lexus

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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 Lexus

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

Belts Autos

4.9/5

Joe has many years of experience and has worked on all makes and models. He grew up tinkering with vehicles with his father and began working in the motor industry at the age of 16. Experiencing a range of roles Joe found his strength and interest was in service and repairs, which led him to 11 years working for Land Rover specialists, Simmonites. Joe is a believer of quality replacement parts for your vehicle. Time and time again he welcomes new customers coming in to his workshop who have repeated problems with their vehicles as a result of cheap/imported/sub-standard parts. At Belts Autos customers leave confident with a 12 month warranty on all parts. Since establishing his own workshop at the beginning of the 2016, Joe has been extremely busy. He already has a strong base of repeat customers partly due to his commitment to customer satisfaction.
Unit 14, Fireclay Business Park, Thornton Road, Bradford, BD133QG

Kmita Motors

4.0/5

We are a family run business providing excellent service to our customers. Our fully qualified and trained mechanics can offer all types of service repairs and diagnostic for any make of vehicle. We offer great service at affordable cost. Our mechanics hold a combined experience of motor vehicle repairs for over twenty years. They are fully trained and qualified, holding level 3 in motor vehicle repairs and obtaining a M.O. T Manager inspector certificate award.
85A Springhead Road, Northfleet, Gravesend, DA119QZ

Sahibs Auto Electric

4.0/5

We are London's go to centre for MOT, Servicing, Alternators, Starter Motors and Car Diagnostics. We pride ourselves in Car Electrics and are well renowned for are specialists in Car Alternators and Car Starter Motors. Established in 1980, we have nearly 40 years of trusted experience the industry.
3 Norbreck Parade, London, NW107HR

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

Edward Street Garage Crewe Limited

4.4/5

We are specialist diagnosticians — we take on the vehicle problems most garages won’t. Using the latest technology and dealer-level technical information, we can find faults just like the dealers do, giving you clear answers and solutions before any work is agreed. As an RAC Approved Service Centre, we work on all makes and models, including EV and hybrid vehicles. From free vehicle health checks and diagnostics to MOTs, servicing, brakes, cambelts, electrics and general repairs, we handle it all with experience and transparency. We can also manage your warranty for you with any warranty provider, taking the hassle out of claims. We only use genuine OEM parts on new car servicing to help keep your manufacturer warranty valid. For heavy vehicles and Class 7 MOTs, our Ignition Autos Ltd branch in Middlewich is equipped to take on your inspections too. We offer service plans, interest-free payment options, and a transparent approach: honest advice, clear pricing, no hidden costs, and you’re kept in the loop every step of the way. Drop into your friendly local garage in Crewe or Middlewich — we’ll take care of you.
Edward Street Garage (Crewe) Limited, Edward Street, Crewe, CW26HQ

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.