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EGR Valve Cleaning

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Got an EGR (Engine Gas Recirculation) issue? Is the EGR clogged up? Want to avoid replacing the EGR valve?

Our diagnosis and 3-step engine carbon cleaning is your best option!

 

Why does it get clogged up? The EGR system recirculates expelled exhaust gases because these gases contain oil residues, carbon from the burnt and other such nasties the valve that controls the amount of gases recirculated, the related pipework and if fitted a cooler (designed to cool the gases on recirculation) will over 1,000’s of miles become clogged.

This leads to symptoms such as poor engine performance, lowered fuel efficiency, engine management warning lights and the limp-home-mode being activated (restricted performance), lowered fuel economy, rough idling and/or a strong fuel odor.  We have a great wealth of knowledge and specialise in the diagnostics and cleaning of the EGR system. This includes live data analysis using dealer level diagnostics equipment that we include in all our EGR cleaning services. 

How do we clean the EGR? Firstly we’ll use our dealer level diagnostics equipment to assess the engine management error codes and complete live data analysis. Then assuming the vehicle is fit for cleaning we use a 3-stage carbon cleaning system that includes our world-leading Hydrogen carbon cleaning and our unique chemicals. This means in the majority of instances there is no requirement to remove the EGR for cleaning and assuming it’s just clogged up / dirty this will resolve the issue. On completion of the job, which takes approximately 45-60 minutes, we’ll reassess the engine management system and reset any fault codes.

  • Faheem Akhtar AvatarFaheem Akhtar

    Car running better...Great service.

    Stuart Lochrie AvatarStuart Lochrie

    Going to keep this short and sweet.

    I got a stage one remap on my Scirocco Rline today. The service was outstanding. Definitely recommended. I will be back for my stage 2. Thank you!!! Don't be worried about how cheap the price is, it's the real deal!

  • Dave Wilson AvatarDave Wilson

    Friendly service, car feels smoother,definitely worth trying.

    David Birrell AvatarDavid Birrell

    got three cars done by this guy and we were all happy with his work as all three cars are pulling better and got more power looking forward to going bk in november to get all three cars engines clean would recomend him to anyone as his work an time are 100%

  • Garry Wordley AvatarGarry Wordley

    had the stage 3 done today after my bmw had been coughing and spluttering as well as loss of power and i must say im glad i did ,its purring like a kitten now ,a lot smoother and the power i noticed straight away ,thoroughly recommend getting this done ,friendly polite technician who can answer all your concerns ,top man top job !!!

    Sam Youngs AvatarSam Youngs

    Really good service, on time and a noticeable difference 👍

  • Michael Cockburn AvatarMichael Cockburn

    Ive recently had my 2014 golf gtd remapped by james from 184 bhp to 220bhp and a increase of 70nm of torque which doesnt sound like much but its like driving a new car.it makes overtaking much easier.james is a top bloke he takes the time to explain all the different things hes doing all the way through i was lucky enough to take advantage of the march special offer but its worth every penny even to pay full price i will be recommending jp tuning to everyone i know

    Steve Conn AvatarSteve Conn

    I drove all the way from Newcastle to get my Audi TT 2.0TDi remapped and cleaned, this was because the price was much more competitive for both jobs combined. On the way home the car was how it should have been from the factory, it was smoother and pulled much better all the way through the rev range. I can't really say how much the cleaning did for certain but it certainly felt smoother and quieter but I will say I'm very happy with the service he provides and happy to recommend.

  • Ruairi Whillans AvatarRuairi Whillans

    Brilliant service offered by James, the pickup was done in less than half a hour and I'm already noticing a saving on fuel after using it for a few days.

    Stevie Watson AvatarStevie Watson

    Just had my fiesta sport van mapped by james ,first class service ,goes through whole mapping process with you so you understand how it works,van got loads extra power in 3rd 4th gear and still pulling in 5th,really happy with results and would recommend to any one wanting a remap done ,good prices as well , if you need a re map or carbon clean speak to this guy first ,cheers james 5 ***** stevie jedburgh .

3-stage engine carbon cleaning

 

 

Citroen C3 EGR carbon cleaning with client review

UNDERSTANDING THE EGR VALVE SYSTEM

The purpose of the EGR (Engine Gas Recirculation) system is to reduce nitrogen oxide (NOx) emissions that primarily forms when nitrogen and oxygen is subject to high heat and pressure. Nearly all modern diesel and some petrol engines require an EGR system to meet emissions regulations. The system is designed to recirculate exhaust gases back into the intake system which reduces either O2 in diesel engines intake stream or combustible matter in a petrol engines intake stream. These gases have little or no ability to react to the second combustion cycle they are subjected too thus helping to reduce combustion heat and in-cylinder temperatures.

Unfortunately, these recirculated exhaust gases carry a lot of carbon, unspent fuel (including varnishes) and oil vapour which gradually accumulates and bonds as carbon particles inside the inlet and re-circulatory system and especially on and around the valve itself. This leads to numerous engine problems and worst case even engine failure.

The specific purpose of the EGR valve determines if, when, and how much exhaust gases are recirculated. As carbon deposits build up in and around the valve it prevents the opening and closing of the valve operation, and worst case the valve can become stuck losing all functionality.

Usually, the initial driver symptoms of the clogging of an EGR valve is loss of power, excessive black smoke under load, engine management lights, limp mode, and engine stalling, especially when coming offload. Eventually, the valve will stick in either the open or shut position. If stuck open the carbon build up saturation will be accelerated whilst if stuck shut it will cause excessively high emissions and ultimately MOT and/or roadside emission test failures.

How to clean the EGR Valve

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

The costliest option is a complete replacement part and a clean. Most mechanics will recommend this – Why? Because they’ll earn a profit from the part and it’s a quicker job for them. The price of a EGR valve varies on average between £300 and £1,500 plus labour for fitting. At the time of replacement, or just before, it’s important that the rest of the EGR system is also cleaned otherwise carbon deposits within the rest of the system will likely clog the new component. 

The moderately expensive alternative is to remove the valve and manually clean it which requires mechanical skill and time. The problem is not all valves are so easy to remove and refit and the outcome may not always be successful. Of course, it’s not just the valve though, there are all the associated pipes and if fitted the cooler that must also be cleaned. Expect prices to be anywhere from £200 – £500 for such a job if done correctly rather than just the valve.

Then there’s our service, the most cost-efficient option. Even if the valve has failed and therefore the clean doesn’t resolve a valve issue completely at least the rest of the EGR system will be cleaned ready for a new component which on its own will save you money!

Preventative cleaning starts from as little as £89.99 (for a car)

If your vehicle has an EGR issue, or has even failed an EGR manual clean by a garage, and therefore requires further assistance to resolve the problem there is no better alternative than a skilled UKCC technician providing our 3 or 4-stage carbon cleaning service.

From just £149.99 (for a car). The advantages are:-

  • Our Mobile Carbon Cleaning Technicians come to you
  • Potentially no expensive parts
  • No disassembly is required, therefore no expensive labour
  • Completed in an average of 45-60 minutes so no requirement to leave your vehicle with a garage for days on end
  • We are fully insured to complete this service at the roadside or wherever your vehicle is located

Book A EGR diagnostics and clean service

If you require further information please visit our Carbon Cleaning FAQ’s section, contact your local technician or our HQ team on 01293 769495 to discuss your requirements, or use the inquiry form below and we’ll get back to you at your convenience.

Further questions? Make an enquiry

Click on the following links to view our other engine cleaning services – Carbon Cleaning | DPF  | Oxygen Sensor | Intake Valves | Spark Plugs | Catalytic Converter | Intake Manifold | Turbocharger | Fuel Injectors | Smoky Exhaust

Over 5,000 satisfied UK & Ireland customers since 2016..

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Prices for Vehicle Type

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LGV (Petrol)
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