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.
Our top pick for your Land Rover
RAC Mobile Mechanic for your Land Rover
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.
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!
Vehicle diagnostic check
£99
For a limited time, get £50 off repairs over £150 when you book a diagnostic test. Offer ends 09/12/25, 09:00.**
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.
And it’s not just glow plug repairs that we can do for your Land Rover
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.
Try one of our RAC Approved Garages
Prestige German Cars - Independent German Car Specialist
Reliance Auto Test Bicester
Portside Cars LTD
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.
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