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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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  • 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

    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.

  • Craig Spratt AvatarCraig Spratt

    Won a competition on facebook to get my car carbon cleaned. I was a bit dubious at first but after talking through the process and getting a lot of information from Adam he began the process which took about 45mins. The car seems to pick up a lot quicker and runs a bit smoother. I would definitely recommend this service and Adam is a top guy and very knowledgeable.

    Irfan Jaffri AvatarIrfan Jaffri

    My car driving like new, Top man and excellent service, I recommen to any one. ���

  • Craig King AvatarCraig King

    Great service, very nice guy and explains exactly what he’s doing to your car. The stage one remap on my Golf GTD is superb, massive difference now when the pedal is put down. Look forward to seeing what it does to my fuel efficiency. Would highly recommend to anyone. Cheers James �

    Stephen Douglas AvatarStephen Douglas

    Very good service, would recommend, cars a lot smoother and a bit quicker than before

  • Callam Michael Williams AvatarCallam Michael Williams

    Just amazing is all I can say. The carbon cleaner engineer was very helpful and talked me through the whole process. And was very friendly. I had stage 2 and it's made a massive difference. I recommend to any one. The engineer was called red.

    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.

  • David Goodfellow AvatarDavid Goodfellow

    just had my freelander 2 carbon clean and re.map . what difference it has made thanks jptuning ..

    Kieran Hymes AvatarKieran Hymes

    Had my engine carbon cleaned today, really makes a difference, car drives much smoother

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

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