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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.

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  • Christopher Ross AvatarChristopher Ross

    Well what can I say spoke to Adam about my 2014 Toyota hilux and it being down on power and costing a fortune to run so we went ahead give it a carbon clean and then he remapped it now driving a lot smoother and not as sluggish when taking off couldn't recommend him highly enough.

    Nathan Lees AvatarNathan Lees

    Had my car done getting better mpg pulls a lot quicker highly recommended

  • Nigel Harris AvatarNigel Harris

    Just had a stage 3 clean on my 58 plate 520d and wow!!!!!
    Worth every penny. Great service at a price that pays for itself with the improved economy. Can't recommend this company enough. Many thanks Winston ��

    Saqib Raja Aftab AvatarSaqib Raja Aftab

    Massive Difference to my Range Rover Sport 3.6 diesel, picks up alot faster on the 1st and 2nd gear in manual.. The MPG on the car has felt more effeicent after the clean too. Great Job.

  • Asa Lumb AvatarAsa Lumb

    These guys know there stuff and very technical, explained the whole process and what to expect, my BMW X5 is now running and performing better than ever I highly recommend these guys and will be using them again next year, excellent service.

    Matty Irvine AvatarMatty Irvine

    Top service and top bloke, highly recommended:) nice one RED

  • Anthony Gillett AvatarAnthony Gillett

    Just had the 3 stage clean done, great guy really nice to talk to, took the car out for a spin after, you can really tell the difference. The car is quieter standing still, smoother and pulls great. Really worth doing if your thinking about it.

    Mustafa Ali AvatarMustafa Ali

    Great results every time !!.......�

    I always have ALL my VAG vehicles I.E. diesels or Hypo S & RS's carbon cleaned via carbon clean u.k (Red) Top bloke. Noticeable difference every time �way better on fuel/mpg also engine's feels more responsive, slightly more quicker and generally breathing healthier "well recommend" worth every penny !!........���

  • XRazx Hoque AvatarXRazx Hoque

    Just had a 3 stage carbon Clean, went on a short drive and definitely more responsive. Red is really friendly and thoroughly explained the process. Highly recommended.

    Sean Johnston AvatarSean Johnston

    Just had my octavia vrs 'remapped by James. Very knowledgeable and friendly guy. The results are very impressive and the 1.5 hours drive home was very good. Will definitely be recommending him.

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 and Swirl Flaps | Turbocharger | Fuel Injectors | Smoky Exhausts

Over 100,000 satisfied UK & Ireland customers since 2016..

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