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Oxygen Lambda Sensor Cleaning

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Want to avoid replacing your O2 Sensor?
Carbon Cleaning is your best option!

What is the purpose of the O2 / Lambda sensor?

The O2 (Oxygen) Sensor or Lambda Sensor as it is known in the the trade is located before the Catalytic Converter in the exhaust system.

The job of this probe is to measure the amount of oxygen left in the remaining burnt gases as they exit the engine and send this information to the ECU (Engine Management Unit). The ECU can then calculate the correct fuel / air mixture for the ideal combustion which lowers fuel consumption and in turn reduces emissions. This is important for passing MOT and roadside emissions tests.
More recent regulations require a second 02 sensor to be positioned after the Catalytic Converter so that the effectiveness of the converter can be measured.

Why you should the Lambda / 02 Sensor be replaced?

If there the sensor is faulty it will send incorrect readings to the ECU and therefore the calculated air to fuel ratios will be incorrect. This will cause the engine to stutter, run lumpy and increase fuel consumption.

Book a Service

  • Darren O'Hare AvatarDarren 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.

    Ivan Balinov AvatarIvan Balinov

    I've done the 3 stage cleaning on my Ford Galaxy tdci. The result was great, as promised. The car is now smoother, quieter, has more power throughout the rev range and my average fuel consumption dropped from 38-39mpg to 40-42mpg. I'd strongly recommend it to everyone, even for low mileage cars.

  • Mark Boyd AvatarMark Boyd

    My Insignia had just clocked 104,000 miles and booked Jason to carbon clean it, thinking it must have been pretty grotty inside at this point!
    After being done I can say that it is definitely smoother in acceleration, no hesitation spots like it used to have. Hard to say but I’m sure there is a difference in the power, even only after a few drives since it was done. Too early to say accurately about economy yet as I have been driving harder than usual to feel the difference in performance!

    Overall very pleased, fingers crossed it will increase its lifespan too.

    Thanks Jason!

    Nathan Mill AvatarNathan Mill

    Highly recommend, thoroughly explained everything.
    Getting a lovely turbo flutter in every gear now.

  • Kassim Mawji AvatarKassim Mawji

    Sent them a request late on Saturday evening, didn't think they would get back to me until the following Monday... but Paul replied really quick, booked it in for this morning! That's what you call efficiency! Had a stage 3 clean today and the car feels much smoother.

    Jay who came to sort the job was polite professional and friendly.

    Top marks all round, great service!

    Robert Dick AvatarRobert Dick

    Had my mustang done to day what difference nice and smooth goes up and down the gears smoothly turbo lag has gone well done James great job will recommend mend you

  • David Cantle AvatarDavid Cantle

    Just had my Golf 2L tdi remapped by JPTuning massive improvement was 110 hp standard up to 185 hp thats an extra 75hp its like a totally different car, Torque was 250 upto 370nm smoother exceleration cleared flat spots and pulls like stink through every gear. just left car at home and mapping done wile i was at work no hassel or waiting about

    William Mason AvatarWilliam Mason

    Just a quick review as the f1 is on �. James came out today and done some work on my own and my dad's car. Really happy with the work carried out and also the in-depth explanation as to what he was doing and why he was doing it.

    Highly recommended and money well spent �

  • Kev Rutherford AvatarKev Rutherford

    Had the shogun done yesterday and what a difference!thats extra power make the car feel better to drive and hopefully bring my mpg up!thanks again James

    Ian Wanless AvatarIan Wanless

    Problem - we thought - was the EGR valve on our Hyundai Santa fe. Loss of power on motorway, okay running about. Contacted UKCC Auto Techs, came out, immediately diagnosed EGR problem, 3 stage flush on the engine........problem sorted, difference in performance was incredible. Much more responsive, more power and engine much quieter. Definitely recommend Red and UKCC Auto Techs.

When should the Lambda / 02 Sensor be replaced?

As long as it’s not shortened by other engine malfunctions the average lifespan of an 02 sensor is 80,000 to 90,0000 miles.

Exhaust leaks can damage the sensor probe which can lead to dangerously high temperatures. The probe canse also become contaminated by unburned fuel, if this occurs it is irreversible.
Following a strict servicing routine, including the usual oil changes, spark plugs, air filters etc, is required to ensure maximum life of the sensor.

Signs that your Lambda / O2 Sensor needs to be replaced:

  • The engine starts to stutter or suddenly suffers from reduced performance
  • The check engine management light illuminates

The easiest way to diagnosis a faulty Lambda / 02 sensor is with an OBD (On-Board Diagnostic computer). Unless you have access to an OBD reader and are competent in using one this should be completed by a professional.

Typically garages charge up to £70 for such a diagnostic, alternatively we include a FREE diagnostic with all of our Carbon Cleaning Services starting from just £89.99

Cleaning your Lambda Sensor / O2 Sensor?

There are numerous ways to clean or replace the Lambda Sensor / 02 Sensor with varying prices.

The costliest option is a complete replacement part. Most mechanics will recommend this – Why? It’s generally their only solution. The price of a Lambda / O2 sensor varies on average between £180 and £300. NOTE: Newer vehicles have two sensors and it’s not uncommon that if one has been damaged the other will have been as well

Find out more

If you require further information please contact our team on 01293 769495. Alternatively, click on the following links to view our other engine cleaning services – Carbon Cleaning | DPF  | EGR Valve | Intake Valves | Spark Plugs | Catalytic Converter | Intake Manifold | Turbocharger | Fuel Injectors | Smoky Exhausts

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

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