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

Glow plugs repair for your Porsche

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

  • 12-months parts guarantee
  • Honest pricing
  • Exceptional customer service

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.

Close up of an RAC Mobile Mechanic underneath a car

Our top pick for your Porsche

Our top pick

RAC Mobile Mechanic for your Porsche

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

For when you know something isn’t right, but you’re not sure what – our mobile mechanics are here to help.

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 Porsche

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

Prestige German Cars - Independent German Car Specialist

4.2/5

BMW | Mercedes Benz | MINI | Volkswagen | Audi | Skoda | SEAT | Smart Welcome to Prestige German Cars, established in 2003 and located in the North East of England. Boasting a purpose built 8 bay workshop, we offer everything a main dealer can at reduced prices. It is a point of pride for us to have the latest BMW & VAG dealer diagnostics and more, plus the equipment required to carry out everything your vehicle requires, ensuring we are up to date with all the latest techniques and know-how. Of course other makes and models can be catered for too!!
11, Shaftesbury Ave, South Shields, NE349PH

Acton Service Centre

4.2/5

Acton Service Centre came under new management in 2012. A family run business that prides itself in offering excellent customer service and professional workmanship. Our highly trained engineers and technicians are committed to providing you with the solution to all your motoring needs. Based in Acton just off the A406, our modern reception and viewing area has been newly designed for the comfort of our large base of loyal customers.
17-18 The Broadway, Gunnersbury Lane, Acton, W38HR

KMK Automotive - Leatherhead

4.9/5

When you choose KMK Automotive, you’re guaranteed an excellent service from one of the most esteemed companies in Leatherhead We offer a collection and delivery service and can provide a courtesy car (subject to availability) . We undertake a wide range of services for clients, including car servicing, diagnostic repairs, and much more, ensuring that your domestic, commercial, or industrial vehicle is safe and fit for purpose. Choose us now for a superior service from dedicated experts. At Eurorepar Car Service, we’re all about keeping you and your car moving with confidence. As a trusted network of local garages, we provide high-quality car maintenance and repairs tailored to your needs – all at competitive prices. With our exclusive Brakes for Life program and a 2-year parts and labour warranty, you can drive away knowing you’re covered for the long haul.* Ask your Eurorepar Car Service Centre to fit Eurorepar branded parts to qualify. Claims under the 2-year parts and labour warranty must be made at a Eurorepar Car Service Centre. Discover expert care, unbeatable value, and peace of mind – all under one roof. Ready to experience the Eurorepar difference? Request a quote or give us a call today! *Terms and conditions apply.
Rye Brook Road, Leatherhead, KT227QG

IN'n'OUT Autocentres Bristol

4.2/5

At IN’n’OUT Autocentres we offer fixed prices MOTs and Servicing for any make and model of car with no hidden extras. We are proud to be a ‘Which? Trusted Trader’ so we are really a garage you can trust. We also have a 5 Star Trustpilot reviews rating. We provide OEM parts and 12 months warranty on all parts and servicing. We only use premium Castrol oils in all servicing. Our services are all completed ‘while-u-wait’ so you have never have the inconvenience of losing your car for the day. You can watch your car as it is being worked on through the viewing window or sit back and relax in our clean and comfortable customer lounges with FREE Wi-Fi and coffee and read the latest magazines. Check out our latest reviews and BOOK NOW!!
In-N-Out Autocentres, Cribbs Causeway, Bristol, BS10 7UD

Lushington Motors Ltd

4.8/5

Lushington Motors are an established local independent family run garage and are proud to be members of the LKQ-ECP 1 Tec Network. For your added peace of mind, we are members of the Motor Ombudsman service which is approved by The Trading Standards Institute. We are also members of the Independant Garage Association (IGA) and Trust My Garage network. In short, we are a local garage you can trust offering you the support and service guarantees of a national network, giving you complete peace of mind. We cover Hailsham, Polegate and surrounding Eastbourne area. We will only supply and fit quality O.E parts, so parts with the same quality, that were originally fitted to your vehicle at the factory. For added piece of mind we only use Shell engine oil.
Unit 10 Westham Business Park, Eastbourne Road, Westham, BN24 5NP

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.