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HOW CARBON CLEANING WORKS
Modern Reviews Tabs | UKCC Auto Techs
Satisfied Customers
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Over 50,000 Satisfied UK Customers Since 2016

What Our Customers Say

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10
Posted 8 November 2025

Job well done

Thank you Matt, Arrived bang on time carried out arranged work to my Audi and a bit more and some great advice .

Verified reviewer
Job location: RH10 Checkatrade

best work ...

HA
Harrison May 15, 2026
Trustpilot

I had a egr bypass remap and stage 3…

I had a egr bypass remap and stage 3 carbon clean service was quick and efficient and a clear friendly service

10
Posted 14 August 2025

Full Carbon Clean and remap

I had the pleasure of meeting Matt today. He was on time, gave great advice, honest feedback, great sense of humour - everything you would want from your technician. Never makes you feel stupid. Explained how the remap works. I'm only disappointed he didn't take a picture of my car for his portfolio.

Verified reviewer
Job location: SL9 Checkatrade

I would like to say a big thanks to Crisitian for coming to Bridgwater and helo me to fix my issue with manifild intake and DPF. Very friéndly and professional. Very punctual also. He did his best and very competitive price. I highly recommend his service Thank you

PT
Piers Taylor May 15, 2026
Trustpilot

Great service

Great service, super knowledgeable and able to fix a variety of faults on my BMW

★★★★★
10/10
Read all reviews →
10
Posted 8 November 2025

Job well done

Thank you Matt, Arrived bang on time carried out arranged work to my Audi and a bit more and some great advice .

Verified reviewer
Job location: RH10 Checkatrade
10
Posted 14 August 2025

Full Carbon Clean and remap

I had the pleasure of meeting Matt today. He was on time, gave great advice, honest feedback, great sense of humour - everything you would want from your technician. Never makes you feel stupid. Explained how the remap works. I'm only disappointed he didn't take a picture of my car for his portfolio.

Verified reviewer
Job location: SL9 Checkatrade
10
Posted 9 June 2025

Cleaned DPF and engine very sufficient. Very happy with the service highly recommended.

Cleaned DPF and engine very sufficient. Very happy with the service highly recommended.

Verified reviewer
Job location: RH12 Checkatrade
10
Posted 9 June 2025

Egr issue resolved on my Audi in Kent

Very good and efficient

Verified reviewer
Job location: ME1 Checkatrade
10
Posted 20 May 2025

DPF and egr clean and reset

Great advice from Cristian the technician who advised and then did the job very well thank you very much.

Verified reviewer
Job location: NP44 Checkatrade
10
Posted 13 February 2025

Full carbon clean and DPF clean

Engine management light and coil light came on, had my guy stick a diagnostic tool on it and it said the DPF was blocked. Booked a full 400 quids' worth of carbon clean and DPF clean. Matt diagnosed the problem as a sensor issue which would need a new sensor fitting. I could have got away with just the £90 callout fee but decided to go for full carbon clean at total cost of £210. I appreciate Matt's honesty and not trying to rinse me for a DPF clean. Would definitely use again.

Verified reviewer
Job location: SL0 Checkatrade
4.5/5
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PT
Piers Taylor May 15, 2026
Trustpilot

Great service

Great service, super knowledgeable and able to fix a variety of faults on my BMW

HA
Harrison May 15, 2026
Trustpilot

I had a egr bypass remap and stage 3…

I had a egr bypass remap and stage 3 carbon clean service was quick and efficient and a clear friendly service

ND
ND May 9, 2026
Trustpilot

Cristian turned up on time and did the…

Cristian turned up on time and did the 3 stage carbon clean and DPF cleaning on my Mini Cooper D. He explained the process well and was professional and thorough. Oxfordshire location.

SR
Stephen Redford May 6, 2026
Trustpilot

A really valuable service

A really valuable service, friendly, communicative went above and beyond to assist. Will use again every time!

OW
Owen May 5, 2026
Trustpilot

I Was Very Very Happy and Pleased With…

I Was Very Very Happy and Pleased With Christian The Technician He Was So Polite And Professional Explained Every Stage Of DPF Clean ..He Has Done a Miracle For Me.. Cleaning My DPF ..I Would Highly Recommend UKCC They Truly Professional and Clean Service ... Owen Kelly BRISTOL

RM
Richard Morgan May 4, 2026
Trustpilot

Turned up at 8am as promised

Turned up at 8am as promised, spent a lot of time and now the car is back to how it was when it was new. Out of limp mode and no lights on dash board. Thank you job well done.

★★★★★
4.4/5
Read all reviews →

best work ...

Thank you Christian being so prompt in coming to fix and diagnose the problem I have with my vehicle , service was very prompt with excellent knowledge behind him . I would definitely recommend Christian 100% . Will definitely recommend and use him again . Thankyou for your help

Perfect job thank you so much

I would like to say a big thanks to Crisitian for coming to Bridgwater and helo me to fix my issue with manifild intake and DPF. Very friéndly and professional. Very punctual also. He did his best and very competitive price. I highly recommend his service Thank you

I was satisfied with the service. Christian came to Swindon. I missed him the first time but he came back the next day. I cant fault anything. My car is running smooth now. I even got a discount because i work for the NHS so that was really nice. Would recommend to anyone.

Christian came all the way to Newport and done a very good job diagnosing the dpf problem and explaining everything to me in detail. He came on time and carried out the job efficiently

Intake Valve Carbon Cleaning Options

Choose The Best Option For Your Vehicle

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1-stage Carbon Cleaning

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Our world class Hydrogen generating machine pulses Hydrogen and Oxygen into the engine which upon contact with dry hardened carbon will burn it back into it's hydrocarbon state (a gas) so that it can exit safely through the exhaust system. Includes FREE dealer leval diagnostics scan
For more information please view How Carbon Cleaning Works

Recommended for: Those who use our Carbon Cleaning Services annually or every 10,000 to 12,000 miles.


Price: £119.99


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Hydrogen Engine Carbon Cleaning
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3-stage Carbon Cleaning

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This service is based on stage-1 Hydrogen cleaning but also utilises our unique chemicals for a more in-depth cleaning. It also dries out the moisture (mainly oily residues) which restricts the Intake Valves so that the Hydrogen cleaning can be more effective. This is then topped off with the inclusion of our proprietary injector cleaner to ensure a cleaner combustion thus slowing down the risk of further carbon build up causing repeat clogging.

Recommended for: Vehicles that are suspected of already having carbon build up on the Intake Valves causing symptoms such as Limp mode (restricted performance) or loss of power, excessive smoke or related engine management warning lights.


PLEASE NOTE: THIS SERVICE IS NOT GUARANTEED TO RESOLVE A VEHICLE WITH DIRTY INTAKE VALVES THAT HAS MISFIRE ISSUES.


Price: £179.99


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Want to Avoid Engine Damage Caused by Carbon on the Intake Valves?

Carbon Cleaning is your best option


Why do Intake Valves get dirty?

dirty intake valve

Current engine design incorporates a technique called ‘Direct Injection’ where rather than mixing the fuel and air in the intake ports under low pressure the fuel is injected under high pressure into the chamber which mixes with the air as it enters. The advantages of this are better fuel economy, efficiency and performance. However, the disadvantage is that the fuel completely bypasses the intake ports and therefore doesn’t clean the valves. When you take into consideration the inclusion of the EGR (Exhaust Gas Recirculation) system which increases the amount of unspent fuel, oil and other deposits entering the intake ports it’s no wonder the valves get dirty.

Any vehicle that has carbon build-up on the valves may or may not experience engine management warnings and diagnostic codes. The first signs will likely be a slight and gradual reduction in performance and mpg.

Cleaning your valves

clean intake valve

There are numerous ways to clean or replace the Valves with varying prices.

The costliest option is to manually clean them. Most mechanics will recommend this – Why? Because they’ll earn well from the extensive hours it takes to complete the job. The price will be dependent on labour rates but for example for a V6 engine expect to pay anywhere for £400 – £600.

Spread the cost over 3 payments

No Interest, No Charges

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Ask for Payment Assist
When you make your booking ask to spread the cost via Payment Assist. If you book online please ensure you call us in advance.

Unless pre-approved we require a minimum invoice value of £250 to take advantage of the Payment Assist service.

*The payment process is subject to approval by Payment Assist

payment step 2 2

Processing your application with your technician on the day of the service.
No credit check . Instead a high street bank debit card is used to approve pre payments is required.

PLEASE NOTE: Internet only banks such as Stirling Bank are presently not approved by Payment Assist.

*The payment process is subject to approval by Payment Assist

payment step 3 3

Easy payment plan
Upon approval* your invoice is split into 3 equal payments . The first payment is processed on the debit card immediately and you are back on the road. The balance will be split over 2 further monthly payments.

Example: Invoice value £390 divided by 3 = 3 x £130 payments NO INTEREST AND NO CHARGES.

*The payment process is subject to approval by Payment Assist

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Faq

Depending on the level of service chosen our engine carbon cleaning service takes a total of 45-60 minutes.

Carbon cleaning is not as such a fix, its original purpose is cleaning as a preventative measure as carbon build-up is the root cause of 85% of the failure of components. If your vehicle is experiencing misfires that are caused by the intake valves not seating correctly due to carbon it is unlikely a non-intrusive clean such as our service is going to resolve the problem, it has probably gone too far and will require the head being taken off so a manual or media/walnut blast clean can be performed to fully clean the valves.
If an intrusive clean is required once completed and the vehicle is no longer misfiring to then ensure full engine efficiency and slow down the return of carbon buildup on the valves we would then recommend an immediate 3-stage carbon clean and further follow-up carbon cleans once every 12,000 miles for preventative maintenance.

You cannot clean too much but we recommend preventative cleaning once a year, or every 10-12,000 miles – just like a regular oil change but for the air and fuel side of your engine - little and often is the key and as the saying goes… ‘An ounce of prevention is worth a pound of cure!

Certainly not. We are a worldwide brand with CE marked machines, operating in over 50 countries with 100’s of machines being used daily – never has there been an engine damaged from our engine carbon cleaning process.

We would not take any risks with your vehicle, so for piece of mind UKCC Auto Techs guarantee to you that all our technicians are trained to the highest standards and are independently fully insured.

No, this process is totally safe and untraceable.

Yes, we offer multi-service and multi-vehicle discounts.

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