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Mobile AdBlue Service

NOx Sensor Faults

NOx Sensor Repair is a vital service for diesel drivers facing persistent emissions warnings and engine limp mode. If you've found this page, we're local to you and ready to provide a long-term alternative to your nitrogen oxide sensor failures.

  • Mobile, we come to you
  • Experienced technicians
  • Quote on WhatsApp

24/7 Emergency Callouts Available

Emergency Mobile AdBlue Assistance. Additional emergency callout charge applies. Subject to availability.

  • Same-Day Appointments Subject to Availability
  • Next-Day Appointments Subject to Availability
  • Mobile Attendance at Home or Work

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No obligation · Mon to Sun 8 AM to 8 PM

01Understanding the service

Why Professional NOx Sensor Repair is Essential

When your vehicle detects a fault with the nitrogen oxide levels, it often triggers a countdown that prevents the engine from starting once it reaches zero. A NOx Sensor Repair is frequently required because these sensors are highly sensitive to moisture and soot build-up. While a simple replacement might seem like the answer, the underlying software issues or wiring faults often lead to repeat failures. Our mobile specialists visit your home or workplace to provide an AdBlue Delete or AdBlue Removal service, ensuring these specific sensor errors no longer disrupt your driving experience or leave you stranded at the roadside.

  • Elimination of P229F, P2200 and P20EE fault codes
  • No more 'No Start' countdown timers on the dashboard
  • Full mobile service at your home, work or roadside
  • Comprehensive AdBlue Fix to resolve software conflicts

AdBlue Delete and AdBlue Removal Solutions

An AdBlue Delete or Removal is often the most practical and cost-effective solution for recurring NOx sensor faults. Instead of repeatedly replacing expensive hardware, this software-based AdBlue Fix involves reprogramming the Engine Control Unit (ECU). Our technicians use specialist equipment to perform this AdBlue Repair safely and efficiently across a wide range of cars and vans.

    Common Symptoms and Fault Codes

    A faulty NOx sensor typically triggers the engine management light or an AdBlue-specific warning on your dashboard. You may see messages about 'SCR NOx Catalyst Efficiency' or NOx sensor circuit faults. If your dashboard displays a 'Check AdBlue' message despite the tank being full, or if the vehicle has entered limp mode, a professional AdBlue repair is likely required. Because system configurations vary between manufacturers and even models, we ask that you send your vehicle registration so we can confirm the exact technical details before providing a quote.

    • Illuminated Engine Management Light (EML)
    • AdBlue system warning messages
    • Vehicle entering restricted power or limp mode
    • Indicated 'Engine Start Not Permitted' countdown

    Vehicle Applicability and Technical Consultation

    We provide AdBlue Delete and Removal services for a vast array of vehicles, including passenger cars and light commercials. While these NOx sensor issues are most common on Euro 6 compliant engines, the specific ECU type dictates the method for the AdBlue Fix. To ensure we provide the correct software solution, we require your vehicle registration and postcode. This allows our mobile team to verify the hardware on your car or van and provide an accurate quote for the work required at your location.

      How to Book Your Mobile AdBlue Fix

      Booking your mobile NOx sensor repair is straightforward. Start by providing your vehicle registration and mobile number so our team can review the technical data. To speed up the assessment, we often request a photo of the dashboard warnings or diagnostic report via WhatsApp. Once confirmed, we can arrange for a mobile technician to visit you. The process typically involves a full diagnostic scan, the AdBlue Delete or software repair, and a final verification to ensure all fault codes are cleared and the vehicle is running correctly.

        How it works

        What Happens When We Visit?

        From booking to completion, our experienced mobile technicians make the process straightforward.

        1. 1

          Book Your Appointment

          We confirm your vehicle, location, service and appointment.

        2. 2

          Technician Calls With ETA

          On the day, your technician calls with an estimated arrival time.

        3. 3

          We Arrive & Diagnose

          We connect diagnostic equipment, check the vehicle and identify relevant faults.

        4. 4

          ECU Software Work

          We read the original ECU software, prepare the AdBlue modification and apply it.

        5. 5

          Final Checks & Resets

          Final diagnostics, applicable fault-code resets and checks to confirm the agreed work is complete.

        6. 6

          Payment & Receipt

          We take payment, provide a receipt and explain the applicable software warranty.

        02Why choose Fix My AdBlue

        • Operating Since 2012
        • Experienced Technicians
        • 5.0★ Genuine Google Reviews290+ Verified Google Reviews
        • Nationwide Mobile Service Across England
        • No Fix, No FeeSubject to terms
        • Lifetime Software WarrantyCovers the software we install
        • 24/7 Emergency Callouts AvailableAdditional emergency callout charge applies
        We understand your AdBlue problem

        Tired of That AdBlue Warning Coming Back?

        Whether you've already topped up the tank, had parts replaced or are seeing a countdown on your dashboard, our team can check your vehicle and discuss the available service options. Speak to us before spending more money guessing at the cause.

        Customer questions

        Questions customers ask us

        Still unsure? Send us your registration and a photo of the warning on WhatsApp.

        Ask on WhatsApp
        What is AdBlue Delete?

        AdBlue Delete is a software-based service where we reprogram your vehicle's Engine Control Unit (ECU). This modification tells the car to stop looking for data from the AdBlue system and NOx sensors. It is a long-term alternative for owners who are tired of recurring sensor failures and expensive hardware replacements.

        What is AdBlue Removal?

        AdBlue Removal is essentially the same process as a delete. It involves the electronic removal of the Selective Catalytic Reduction (SCR) logic from the vehicle's software. This prevents the car from entering limp mode or triggering 'no start' timers due to faults in the AdBlue pump, tank, or NOx sensors.

        What is the difference between AdBlue Delete and AdBlue Repair?

        An AdBlue Repair usually refers to fixing a specific component like a pump or sensor. An AdBlue Delete is a software bypass that removes the need for those components entirely. Deleting the system is often preferred as it prevents future failures of other AdBlue components that haven't broken yet.

        What is an AdBlue Fix?

        An AdBlue Fix is a general term for resolving any fault within the SCR system. Depending on the vehicle's age and the specific fault codes present, this could involve software recalibration or an AdBlue Delete to ensure the vehicle remains operational without constant dashboard warnings or power restrictions.

        What vehicle and postcode information do you need for a quote?

        We require your full vehicle registration so we can identify the specific ECU and engine type. Your postcode is necessary so we can calculate the arrival time for our mobile technician. Providing your mobile number allows us to send a detailed quote and coordinate the site visit.

        Can I send my warning light photo on WhatsApp?

        Yes, we highly recommend sending a clear photo of your dashboard warnings or any diagnostic fault codes via WhatsApp. This helps our technicians confirm the exact nature of the NOx sensor failure or AdBlue fault before they arrive, ensuring a faster and more accurate service.

        Will an AdBlue Delete stop the 'No Start' countdown?

        Yes, performing an AdBlue Delete or Removal will reset and eliminate the 'No Start' or 'Engine Start Not Permitted' countdown. By reconfiguring the software, the ECU will no longer inhibit the starting process based on AdBlue fluid levels or NOx sensor readings.

        How long does a mobile NOx sensor repair take?

        Timing depends on the vehicle, and we confirm it when we quote. Our technician will come to your home or workplace, perform the necessary ECU reprogramming, and test the vehicle to ensure all emissions-related fault codes have been successfully cleared from the system.

        Do you offer 24/7 emergency callouts?

        Yes. Our standard hours are Monday to Sunday, 8 AM to 8 PM. Emergency callouts are available 24 hours a day, 7 days a week, subject to location and availability. An additional emergency callout charge applies and is confirmed before dispatch.

        Mobile specialists, we come to you

        Book Your AdBlue Service Today

        From the initial booking and diagnostic checks to the agreed software work, final checks and receipt, we'll explain the process clearly. Tell us your vehicle and location, and we'll take it from there.

        Related

        290+ Verified Google Reviews

        Featured 5-Star Customer Reviews

        Real reviews from real Fix My AdBlue customers, taken straight from Google.

        5.0 on Google

        290+ Verified Google Reviews

        • “Friendly and efficient service, sorted out my adblue issue and did a stage 1 remap on my range rover. Would use again”

          Dec Halford

          3 Oct 2026

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        • “Happy with the remap done on my car to fix the adblue fault. The engineer was polite and efficient. I would highly recommend the company.”

          Michael Carrington

          2 Oct 2026

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        • “These Adblu guys were fantastic! They attended my vehicle and got rid of this issue of adblu! Great service and fabulous communication! Will recommend this company!”

          Muhammad Nasir Uddin

          1 Oct 2026

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        • “Excellent job, arrived exactly when he said he would. Cured my adblue problem with ease ,also remaped”

          norman cass

          1 Oct 2026

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        • “Thank you so much for sorting my adblue fault And remap much appreciated for the quick response And did the job outside my door No travelling to get to you You came to me And The pleasant Technician who did the job thanks so much very happy Customer”

          john Vaughan

          1 Oct 2026

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        • “Really happy with the remap done on my car, polite, efficient service and would highly recommended to anyone. Fixed my Adblue problem and cleared all my lights on the dashboard. My car is now quicker and more fuel efficient, I’m more than happy and very grateful for the service I received.”

          Sean Phillips

          30 Sept 2026

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        • “Excellent service from start to finish. I had an AdBlue fault with my vehicle and they diagnosed and fixed the problem quickly and professionally. Very knowledgeable, efficient and friendly service, and they kept me informed throughout the process. The vehicle is now running perfectly again. I’m really impressed with the service and would highly recommend AdBlue Service to anyone having AdBlue or related vehicle problems. Great job and thank you! 👏🚗”

          Mauricio Carturan

          27 Sept 2026

          View on Google
        • “Very quick and efficient as well as cost friendly. Good availability as well, Had an adblue fault so couldn't drive, came to my house and solved the issue as well as remapping the car. Thumbs up for quick communication.”

          Ramiz Abdullah

          25 Sept 2026

          View on Google
        • “Spent a few hundred pounds on diagnostics for other garages to say it cannot be fixed quickly or cheaply but then I found Adblue Fix and they came out to me the following morning and sorted the issues within 20 minutes. I highly recommend them and the life time warranty was a great addition.”

          Sam B

          11 Sept 2026

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        • “Quick, on time, honest about pros and cons of adblue remap, and professional. And, of course, they came to me. Can't really ask for more than that”

          Daniel “Dan” Rosewell

          2 Sept 2026

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        • “This company fixed my ad blue system fault and remapped my car too. Very quick and efficient service totally recommend from a very happy customer thanks guys”

          Craig Savory

          31 Aug 2026

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        • “Fixed my adblue issues in less than 30 mins, saved me thousands!”

          Cameron Robinson

          27 Aug 2026

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        • “Great, efficient service, solved my adblue issues. Would highly recommend”

          Debbie chalmers

          27 Aug 2026

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        • “I would highly recommend E.G. to anyone with issues with the adblue system in there vehicle they were absolutely brilliant and the technician went above and beyond to solve my issue, they get 10 out 10 from me”

          Johnny brown

          25 Aug 2026

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        • “Very satisfied with work on my Citroen berlingo Adblue fix would highly recommend to anyone very polite thank you”

          Sean Cummins

          21 Aug 2026

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        • “Lost count of the amount of Adblue issues I’ve had on my van. Another company had tried previously to fix it but weren’t able to. Tried again with these guys and it was sorted the same day I called! Highly recommended!”

          Robert Lamond

          20 Aug 2026

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        • “Brilliant service from some really great people, my van went from a workhorse to a rocket, I’m so impressed with the difference it’s made, adblue problems are all now gone and the limiter removal has changed my life 😂”

          paul beer

          20 Aug 2026

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        • “Very happy with my adblue removal recommendation is very high from me to people and a hassle free service”

          Adam Rawlings

          19 Aug 2026

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        • “Fixed the adblue fault on my van. The light come on a Friday and unfortunately my van had MOT on the monday. These guys come out on Sunday and fixed my adblue issue so I was still able to get to my MOT on the Monday. Really great service, the guy that come out was polite and efficient. Can't fault these guys at all, I highly recommend.”

          Sam Geddes

          19 Aug 2026

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        • “I was having issues with the Adblue system and was quoted a lot of money elsewhere to get it. I found these who did it for a fraction of the price and they did a great job. 5* all day long”

          mimmo fiata

          26 Jul 2026

          View on Google
        1 / 20
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