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EGR Cooler Bypass

for Euro 6 VAG 1.6tdi and 2.0tdi engines.

clogged egr cooler img

The EGR cooler on the Euro 6 VAG 1.6 and 2.0 diesel engines (2015 onwards) is badly designed leading to a horrible habit of clogging up. The only sign of this is an EML (Engine Management Light) on the dashboard and when diagnosed gives the fault code P2002 which states DPF (Diesel Particulate Filter) efficiency below threshold. The vehicle continues to perform just fine and there’s no other negative effect, at least short term - other than of course with an illuminated EML is an instant MOT failure.


We are still getting reports from clients that their garage is informing them this is caused by a clogged DPF so they must either replace or clean the filter. We’ll if it was a pre Euro 6 model they’d be correct, however, that’s not the case on these Euro 6 engines! What’s actually occurred is the EGR cooler has become clogged.


What is an EGR Cooler? The cooler on the EGR is there to reduce the temperature of the recirculated gases after combustion to allow for more efficiency of the following combustions.


Why does it clog? It’s a stupid concept, if you recirculate these dirty sticky gases with lots of carbon deposits in them they are going to clog up any small pockets such as in a cooler!


What fault does it cause when the EGR cooler clogs up? Well, it’s really simple, theres’ a temperature sensor that reads the temperature after the cooler to ensure the gas temperatures are reduced for the best efficiency of the following combustions when the cooler is no longer doing its job as efficiently as the manufacturer wants that temperature sensor picks up on this and flags the fault code P2002.


Can’t I just clean the EGR cooler? We’ve tried our Hydrogen chemical cleaning as well as physical removal to clean and it is possible to clean enough to remove the EML warning but it’s not a long-term or permanent fix. The problem is when the cleaners go through the EGR cooler they’ll find their way through the least restrictive route leaving the heavily clogged areas still blocked. It’s therefore only a matter of time before the areas that did get cleaned become restrictive again and the EML problem returns.



What options do I have then? Ultimately, it’s either a replacement EGR unit (costs anywhere from £1,200 to £2,400 depending on part quality and labour) or our unique remapping solution that as far as we are aware no one else worldwide can offer.


At just £379.99, or £499.99 with a recommended full engine carbon clean, we have successfully developed an ECU (Engine Control Unit) software solution that resolves this problem whilst keeping the EGR system fully intact and operational therefore unlike an EGR delete (which doesn’t resolve this fault anyway) legal.




FURTHER QUESTIONS? MAKE AN enquiry  ››
Faulty DPF warning light

EGR Cooler Bypass Remap Services

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EGR Cooler Bypass remap

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Our customised remap supplied by one of our mobile technicians to override the egr cooler fault.
For more information please view How Carbon Cleaning Works


Price: £379.99


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EGR Cooler Bypass remap
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EGR Cooler Bypass Remap & 3-stage Carbon Clean

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As above for our EGR cooler bypass software but also taking advantage of our recommended 3-stage carbon cleaning service to ensure the engine is clean and running to optimal efficiency therefore reducing potential for further engine faults.



Price: £499.99


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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

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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

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

What Our Customers Say

Latest from all platforms
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


Faq

An average of 60-90 minutes but we recommend allowing for 2 hours.

Unlike just a clean (which will not resolve the fault) as long as your vehicle only has the P2002 fault code and is otherwise healthy your vehicle's engine will run perfectly immediately after the service and there are no longer-term negative effects.

As with any form of remap file writing, there is always a tiny risk of failure which can lead to difficulties but these can always be recovered. The question shouldn’t be if there are risks but if there was a problem how is it handled? You’ll be pleased to know all our technicians are highly skilled and trained using only the best equipment to protect your vehicle from the risks of damage during the ECU remapping process. Saying that we would not take any risks with your vehicle so for peace of mind UKCC Auto Techs guarantees you that all our technicians are fully insured.

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. No competitor can give you peace of mind on that scale.

Yes. If you’ve been told or heard differently elsewhere you’re unfortunately been lied to. The good news is this only applies to manufacturer warranties (third-party warranties won’t be affected). Manufacturers make painstaking efforts to clearly state that unapproved modifications to any components will void their warranty so if your vehicle has a manufacturer warranty then you should think twice before having such a service performed on the vehicle.

Yes, because this is just a software fix it would be a simple process of installing the original file on the ECU. We permanently retain your original file just in case you ever require us to reverse the process.

Yes, we offer multi-service and multi-vehicle discounts, discuss this with your local technician.

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