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AdBlue Guide

Choosing an experienced AdBlue specialist

AdBlue Delete and Removal describe different approaches to an SCR concern. Send your registration to help check fitment and your postcode to confirm mobile availability.

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01Understanding the service

Check training and relevant SCR experience

Ask who will carry out the work, what automotive diagnostic training they have and whether they have experience with your engine and SCR system. A service label or access to programming tools alone does not demonstrate diagnostic competence. A capable technician should explain the evidence behind a recommendation in plain language.

  • Ask about relevant qualifications and manufacturer or diagnostic training.
  • Check experience with your vehicle's engine, emissions system and control modules.
  • Request a written scope of work and an explanation of any diagnostic limitations.
  • Avoid claims that one procedure cures every warning or starting problem.

Expect diagnosis before a recommendation

An SCR warning or restart countdown is a symptom, not a component diagnosis. Depending on the vehicle and fault, testing may include fluid quality, leaks, dosing pressure, injector operation, heater circuits, sensor readings and wiring integrity. Communication faults require checks of power supplies, grounds and network wiring before a control module or sensor is condemned.

  • Record complete fault codes, their status and available freeze-frame data before clearing them.
  • Check relevant live data and follow vehicle-specific test procedures.
  • Consider exhaust leaks, engine faults and other conditions that can affect SCR performance.
  • Agree how repairs and any required adaptations will be verified.

Understand fitment and fault codes

SCR fitment varies with model, engine, build date and market specification. Some Peugeot and Citroën BlueHDi vehicles use AdBlue, as do SCR-equipped versions from manufacturers including Mercedes-Benz, Volkswagen, Audi and BMW. A badge or registration year alone is not enough to confirm the exact system. Send your registration; diagnostic identification may still be needed to establish the installed control units and software.

  • P20E8: reductant pressure too low; it does not by itself prove that the pump has failed.
  • P20EE: SCR NOx catalyst efficiency below threshold, bank 1; several operating or component faults can contribute.
  • U029E: lost communication with NOx sensor B; check the vehicle-specific sensor layout and diagnostic procedure.
  • U010E: lost communication with the reductant control module.
  • P2002: diesel particulate filter efficiency below threshold, bank 1; this is a DPF-related code, not direct evidence of an AdBlue fault.

Assess the proposed work and supporting information

Vehicle-specific guides can help explain symptoms, but they cannot establish which component has failed. Ask the technician to separate confirmed findings from suspected causes and explain any further testing needed. Reports of tank or sensor faults on other vehicles should not substitute for testing yours.

  • Request the diagnostic findings supporting the recommendation.
  • Ask whether a relevant manufacturer update or service procedure applies.
  • Clarify whether the proposal restores SCR operation or disables functions.
  • Keep a record of the work performed and the final diagnostic results.

Check mobile equipment and site suitability

Confirm that the technician has suitable diagnostic access, test equipment and technical information for your vehicle. Where programming is required, appropriate battery support and the correct procedure are important because an interrupted write can damage control-unit software. Some testing or repairs may require workshop access rather than a mobile visit.

  • Confirm coverage using your current postcode.
  • Describe the parking location and whether the vehicle starts.
  • Ask which checks can be completed on site and which may need further facilities.
  • Confirm how the outcome will be documented and any unresolved faults explained.
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

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 generally means modifying software to disable some or all SCR dosing, monitoring and related warning functions. It does not repair failed components, and it should not be described as a guaranteed cure for every countdown, starting fault or reduced-power condition. The systems involved vary by vehicle; send your registration and warning details so the specification can be checked.

What is AdBlue Removal?

AdBlue Removal is often used to describe software deactivation of SCR functions rather than physical removal of the tank or other components. Ask the technician to explain exactly what the proposed service includes and which faults have been diagnosed.

What is the difference between AdBlue Delete and AdBlue Repair?

AdBlue Repair aims to restore the SCR system's operation. Depending on the diagnosis, this may involve wiring repairs, a manufacturer software update, or replacement of a confirmed faulty sensor, pump, heater or dosing injector. Delete disables functions instead of repairing them. Hardware replacement is not inherently temporary when the underlying cause has been addressed.

What is an AdBlue Fix?

AdBlue Fix is a general service term, not a specific technical procedure. A suitable solution depends on the stored faults and test results. Ask what caused the warning, what work is proposed and how the result will be verified.

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

Send your registration, current postcode, mileage, dashboard warning text and any diagnostic report. Your registration helps identify the likely vehicle specification, while your postcode allows mobile coverage to be checked. Exact ECU hardware and installed software normally need to be read from the vehicle.

Can I send my warning light photo on WhatsApp?

Send a clear warning-light photo, your registration and any complete fault-code report through the WhatsApp contact option. These details help with initial assessment, but a dashboard photo cannot confirm the failed component or replace diagnostic testing.

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.

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

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  • “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

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  • “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

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1 / 20
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