Want to avoid or reduce excessive exhaust smoke? Failed your MOT emissions test? Embarrassed by the smoke trail you leave behind you?
Our diagnosis and engine carbon cleaning is your best option!
Why does it smoke? There are many reasons why a vehicle will smoke excessively. The main ones are inefficient combustion, leaking injectors, clogged EGR valve, failing turbo, blocked DPF or catalytic converter.
We have a great wealth of knowledge and specialise in the diagnostics of excessive smoking issues or resolving MOT emissions failures. This includes live data analysis using dealer level diagnostics equipment that we include in all our carbon cleaning services.
How do we resolve excessive exhaust smoke or high emissions causing MOT failures? 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 2-stage (for petrol naturally aspirated engines) or 3/4-stage carbon cleaning (for petrol turbo or diesel engines) that includes our world-leading Hydrogen carbon cleaning and our unique chemicals. On completion of the job, which takes approximately 45-60 minutes, we’ll reassess the engine management system and reset any fault codes.
- Darren O'Hare
Had a Stage 3 carbon clean on my Ford Mondeo 2.2TDCi which has covered just over 100,000 miles. My car would on occasion smoke badly under hard acceleration and I also felt that it had a bit less power of late. James was punctual, professional and talked me through the cleaning process. Having just come back from a test drive, I am delighted with the results. The car now ticks over at a lower rpm, is a little bit quieter and certainly accelerates quicker particularly in 3rd and 4th gear. Would highly recommend.Just a quick follow up to my review which I posted on 10 March 2018. Since then I have covered over 800 miles and am now averaging 40.5 mpg which is around 5 mpg better than I was getting before the carbon clean. Definitely impressed with the results.
- Greg Richardson
I had james do a carbon clean on my jeep today. I wasnt really sure about how it would work but the results were instant. The performance and mpg were improved straight away. James explained the whole process and it was totally hassle free. Great service and I would highly recommend. �Julian Wolfendale
2 of my cars carbon cleaned 🙂 Ciaran came out and cleaned my Merc and Peugeot, I've had the peugeot 9 years and it has never started or run as smoothly as it does now, the Merc I've had about a year and it now starts first flick of the starter, amazing, especially considering my OCD/Servicing /Tinkering that I subject all my vehicles to! 🙂 Ciaran was helpful, knowledgable and professional. He also cleaned my friends VW Caddy van, which also now runs better than at any time in his 3 year ownership. I'd recommend this service to anyone.
- Jermayne Stanley
i had a stage 3 clean yesterday on my mitsubishi space star which ive had engine management light trouble comming on going off then staying for months until i got this engine clean of adam yesterday great lad very knowlegable on products and how the clean gets done my light has now gone out and car is running sweet as more responsive i will definatley be having this done again from now on in future so if you love yr car and want it to last longer get this company youll be amazed how much better your car will drive after cheers adam
- SharonJaydee Middleton Sharkey
I Had my work van (Holmes Domestic) and Nissan Navara Carbon Cleaned by James. He was very polite, well mannered and very well presented. He talked me through the process, and explained everything down to the finest detail. Had both vehicles for a run and what a huge difference, so much quieter and definitely more power! I notice the difference that much I’m getting my other van done! Only regret, wish I had got this done sooner as I’ve noticed such a difference!! Thanks again James for your 1st class service � see you at the end off the month to get the Transit Custom done.
Exhaust Emissions and MOT testing
In an effort to reduce pollution and Greenhouse gases most UK road going vehicles must meet set emissions standards. You can read more about these standards and MOT emissions testing here.
Exhaust smoke colour relates to different engine issues
Too much white exhaust smoke?
White smoke is condensation caused by hot liquid vapors coming into contact with cold air as it exits the exhaust.
It’s perfectly normal for a vehicle to exhale some white smoke from a cold start, especially in cooler weather. The longer the vehicle has sat unused the more chance there is that some water vapor has accumulated in the system but this is of no concern and will quickly clear as the engine starts to warm up.
If however, the vehicle is always exhausting white smoke, even when the engine is warmed up, this will be caused by coolant entering the combustion chambers i.e. a leaking head gasket. If there are signs that the head gasket has failed switch the engine off, do not drive the car as further use will cause more damage. Have a head gasket leak test completed immediately with your local professional garage.
Too much black exhaust smoke?
If a vehicle is expelling to much black smoke it’s a sure indication that either there’s too much fuel or there is not enough air in the fuel/air mixture.
For fuel-injection vehicles, the sensors and injectors should be checked to ensure they are operating correctly and hoses related to the turbo checked for splits or leaks as either of these issues will likely cause too much fuel to be delivered and lead to a rich air/fuel mixture and black smoke.
Air filters and all other air intake components should also be checked, if clogged they will be a restriction on the air intake again leading to air in the fuel/air mixture
Too much blue exhaust smoke?
If a vehicle is exhausting blue smoke this is a bad indication that the engine is burning oil and should be inspected by a professional at the earliest convenience to determine the fault.
Most common reasons for such an issue are…
- The engine has become worn through old age or excessive heavy driving habits leading to internal oil leaks.
- Defective or worn piston rings are allowing oil to enter the combustion chamber. If this has occurred the vehicle will also be experiencing loss of power, especially under load.
- An incorrect oil used during the last oil change or poor quality oil which is too thin is causing the oil to escape into the combustion chambers through the seals.
Preventative cleaning starts from as little as £89.99 (for a car)
If your vehicle has an excessive exhaust smoke issue or failed it’s MOT emissions test and therefore requires further assistance to resolve the problem there is no better alternative than a skilled UKCC technician providing our carbon cleaning service.
From just £119.99 (for a petrol non-turbo 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
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.
Click on the following links to view our other engine cleaning services – Carbon Cleaning | DPF | EGR Valve | Oxygen Sensor | Intake Valves | Spark Plugs | Catalytic Converter | Intake Manifold | Turbocharger | Fuel Injectors