Mobile AdBlue diagnostics & specialist diesel solutions across Sussex, Surrey, Kent and London
AdBlue Delete, Disable & EGR Delete Services
Expert AdBlue, NOx and EGR solutions — delete, disable, removal and remapping — that clear warning lights, countdown alerts and system faults for good.
Whether you’re dealing with AdBlue countdown alerts, NOx sensor faults, UREA system failures or persistent dashboard warnings, we offer a 100% guaranteed fix with a lifetime warranty — preventing future problems and giving you complete peace of mind. Mobile across Sussex, Surrey, Kent and London: we come to you, diagnose the fault and provide a permanent solution on the spot.
What problem are you having?
Select your symptom below to find the right service — or contact us for direct advice.
100% Guaranteed Fix
We guarantee a 100% fix for AdBlue, EGR and NOx faults — eliminating countdown warnings, dashboard lights and system faults so the problem doesn’t return.
Lifetime Warranty
We stand by the quality of our work with a lifetime warranty on all AdBlue and NOx sensor solutions. Once we fix it, it stays fixed.
Same-Day Mobile Service
Need urgent help? We come to your home, work or roadside, diagnose the fault and provide a permanent solution on the spot.
Our Services
AdBlue, EGR & NOx Delete Specialists
From AdBlue delete and disable to EGR delete, NOx solutions and remapping — every job is a 100% guaranteed fix, backed by a lifetime warranty.

AdBlue Delete & Removal
Permanently remove AdBlue warnings and the no-start countdown — a 100% guaranteed software fix
AdBlue warning lights, countdown messages, pressure faults, DEF quality warnings and SCR issues — we delete, disable or remove the AdBlue/SCR fault in software so it’s cleared for good. Full diagnostics are included, and every fix is backed by our lifetime warranty.
Book My AdBlue Delete
NOx Sensor Delete / Bypass
NOx sensor diagnosis, bypass and delete at your location
NOx fault codes, poor readings, engine management light and SCR faults can all point to a failing NOx sensor. We test each sensor against manufacturer specifications using live data, pinpoint the exact fault, then bypass or delete it in software — clearing the warning for good with a 100% guaranteed fix.
Book My NOx Solution
AdBlue Countdown Warning
No-start countdown, mileage warnings and urgent mobile diagnostics
When your dashboard shows a mileage countdown, your vehicle is warning it may refuse to restart once it reaches zero. The earlier you get it diagnosed, the more options you have. Even if the countdown has already expired, we can often still help with specialist diagnostic equipment that communicates directly with your vehicle’s ECU.
Stop the Countdown
SCR / UREA Solutions
UREA/SCR fault diagnostics, resetting, ECU software solutions and SCR delete where required
SCR efficiency faults, AdBlue injection problems and UREA quality issues trigger warning lights and can lead to failed MOT tests. We read SCR pressure, temperature sensor and tank heater data using equipment that accesses information generic scanners can’t see, then reset the fault or provide an ECU software solution.
Book My SCR Solution
DPF Solutions
Blocked DPF diagnostics, software-initiated regeneration and DPF software solutions
Blocked DPF, regeneration issues, high soot levels and limp mode are common on modern diesel vehicles. We diagnose why the DPF blocked, run a software-initiated forced regeneration with live temperature monitoring and provide DPF software solutions where appropriate.
Check My DPF
EGR Delete & Disable
EGR delete, blanking, disable and fault code clearing
EGR valve faults cause rough idling, hesitation, black smoke and poor fuel economy — and they often trigger AdBlue and engine management warnings too. We test EGR operation electronically, then blank or disable the EGR and clear the related fault codes, advising whether the fault is electrical or software-related.
Book My EGR Delete
ECU Diagnostics
Advanced fault reading, ECU codes, live data and professional diagnostics
Modern diesel vehicles store fault codes across multiple control modules — not just the engine ECU. We read all stored codes using manufacturer-level equipment, analyse live data streams and cross-reference fault patterns to pinpoint the exact issue. This means faster diagnosis and a clear, accurate solution.
Read My Fault Codes
ECU Remapping
Performance, economy, drivability and professional remap advice
We provide Stage 1 ECU remapping with full transparency — you’ll know exactly what the remap includes, how it affects your vehicle and what the implications are for your specific use case. Before-and-after data, honest advice and professional software tools. Everything explained upfront with no mystery tuning.
Enquire About Remapping
Van & Fleet Support
Mobile diagnostics and specialist support for commercial vehicles and fleets
Specialist mobile support for tradespeople, couriers, commercial vehicles and fleet operators. We understand that vehicle downtime directly impacts your business. Fast diagnosis, on-site repair where possible and priority response for fleet operators. Ford Transit, Mercedes Sprinter, VW Transporter, Peugeot Boxer and more — we know these vans inside out.
Support My FleetFault Code Reference
Common AdBlue & SCR Fault Codes
Fault codes vary by vehicle, so proper diagnostics are always recommended before replacing parts or quoting repairs.
SCR NOx catalyst efficiency below threshold — the SCR system isn’t reducing NOx emissions effectively. Often caused by a failing NOx sensor, poor AdBlue quality or a blocked injector.
Reductant system performance fault — the AdBlue delivery system isn’t working within expected parameters. Can point to a pump issue, blocked injector or crystallisation in the dosing module.
Reductant pressure too low — the AdBlue pump isn’t building enough pressure. Common causes include a weak pump, a delivery line leak or a blocked injector nozzle.
Reductant quality performance — the vehicle’s quality sensor has detected AdBlue fluid that doesn’t meet the required urea concentration. May be contaminated, old or the wrong fluid entirely.
NOx sensor circuit range/performance bank 1 — the first NOx sensor is reporting readings outside the expected range. The sensor itself is the most likely culprit, but wiring and ECU faults can also trigger this code.
NOx sensor circuit range/performance bank 2 — similar to P2200 but affecting the second NOx sensor downstream of the SCR catalyst.
NOx exceedence — SCR monitoring has detected that NOx emissions are above the acceptable limit. The SCR system may not be dosing enough AdBlue or the catalyst itself could be degraded.
Lost communication with NOx sensor A — the ECU can’t talk to the first NOx sensor. This often points to a wiring fault, corroded connector or a sensor that has completely failed electronically.
Lost communication with NOx sensor B — same communication failure but affecting the second NOx sensor. Check wiring and connectors before assuming the sensor itself is dead.
How Mobile Service Works
Simple Process, Clear Advice
Four straightforward steps from initial enquiry to fault resolution. No confusion, no jargon, no surprises.
Send Details
Send your registration, postcode and a brief description of the warning light or fault message you’re seeing. A quick photo of the dashboard helps too.
We Review & Advise
We review the symptoms, cross-reference common faults for your vehicle and advise you on the most likely next step and estimated cost — usually within the hour.
Technician Attends
Where the job is suitable for mobile repair, our technician comes to your location — home, workplace or roadside — with professional diagnostic tools and specialist software.
Diagnose & Discuss
We diagnose the fault, explain what we’ve found in plain English and discuss practical options with clear pricing before any work is carried out.
Who We Help
Cars, Vans, Commercial & Fleet
We provide mobile diagnostic support for all diesel vehicles — from family cars to commercial fleets across the South East.

Cars
BMW, Audi, Jaguar, Land Rover, Renault, Toyota and all major diesel passenger vehicles.

Vans
Ford Transit, Mercedes Sprinter, VW Transporter, Peugeot Boxer, Citroen Relay, Vauxhall Vivaro and more.

Commercial Vehicles
Large vans, minibuses and commercial fleet vehicles. We work on Mercedes Sprinter, VW Crafter, Iveco Daily and similar.

Tradespeople
Self-employed tradespeople who rely on their van daily. We understand that every day off the road costs you money.

Couriers
Multi-drop drivers and courier services operating across the South East. Fast diagnosis and on-site repair to keep you delivering.

Small Fleets
Fleet operators running 2–20+ vehicles. Priority response, consistent diagnostics and fleet-friendly service arrangements.
Areas Covered
Sussex, Surrey, Kent & London
We cover a wide area across the South East. Not sure if we cover your location? Send us your postcode.
Sussex
Surrey
Kent
London
Get a Fast Quote
Book Your Fix Today
Send your registration, postcode and fault message and we'll advise the best solution — usually within the hour. 100% guaranteed fix, backed by a lifetime warranty.
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The Difference
Mobile Diagnostics vs Garage Visit
Mobile Diagnostics
- We come to your home, workplace or roadside — no recovery needed
- Fast response — same-day where available, 7 days a week
- Manufacturer-level diagnostics across all major vehicle brands
- Vehicle stays with you — ideal for vans, fleets and work vehicles
- Clear, honest advice and a fixed price before any work begins
Traditional Garage
- May need recovery if your vehicle won’t start or is in limp mode
- Often a week or more wait for an appointment
- Generic diagnostics — may miss manufacturer-specific AdBlue and SCR faults
- Vehicle off the road, often for several days
- Need to arrange transport to and from the garage
Why Choose Us
Professional Mobile Diagnostics
We invest in equipment, training and honest communication — so you get clear answers and reliable solutions.
Mobile Across the South East
We come to your home, workplace or roadside location across Sussex, Surrey, Kent and London with a fully equipped mobile workshop. No recovery needed, no time off work.
Advanced Diagnostics
We invest in professional-grade equipment that reads manufacturer-specific data — not just generic OBD codes. This means faster, more accurate fault finding and fewer unnecessary repairs.
Cars, Vans & Fleet Support
From family cars to commercial fleets, we work on diesel vehicles of all sizes. We specialise in Ford Transit, Mercedes Sprinter, VW Transporter and Peugeot Boxer — vehicles where downtime costs money.
Clear Advice Before Work Starts
We explain what we’ve found in plain English, outline your options and give you a clear price before anything happens. No pressure, no upsell, no surprises.
Fast Response Where Available
We aim for same-day attendance where possible and operate 7 days a week across our coverage area. Vehicle faults don’t wait for Monday morning, and neither do we.
100% Guaranteed Fix & Lifetime Warranty
We guarantee a 100% fix and back every AdBlue and NOx solution with a lifetime warranty — once we fix it, it stays fixed. You’ll know the cost before we start.
Experienced ECU Technicians
Our technicians work with manufacturer-specific diagnostic tools daily. We understand the relationship between AdBlue, SCR, DPF and EGR systems — not just how to read a fault code.
No Unnecessary Garage Visits
We come to you. No need to arrange recovery, take time off work or wait weeks for a garage appointment. Most jobs are completed on site within 1–2 hours.
Frequently Asked Questions
Your Questions Answered
If you’re not sure, start by telling us what you’re experiencing — what warning lights are on your dashboard, any messages displayed and how the vehicle is behaving differently. We’ll advise which diagnostic service is most appropriate based on your symptoms. AdBlue faults often overlap — a NOx sensor fault can trigger an AdBlue warning, and an SCR fault can cause limp mode — so proper diagnosis is always the first step. You don’t need to figure it out yourself.
Yes — AdBlue countdown warnings are one of the most common reasons people contact us. When your dashboard shows a countdown in miles, your vehicle is warning you that it may refuse to restart once the countdown reaches zero. We come to your location, diagnose the underlying fault triggering the countdown and provide a solution. The sooner you contact us after the countdown appears, the more options you typically have. If the countdown has already reached zero, we can often still help with specialist diagnostic equipment that communicates directly with your vehicle’s ECU.
Yes — NOx sensor diagnostics is a core part of what we do. We use manufacturer-level diagnostic equipment to test each NOx sensor individually, comparing live readings against the manufacturer’s expected values. This lets us identify exactly which sensor is at fault, then reset adaptations and provide an ECU software solution. Most NOx faults can be diagnosed and resolved at your location on the same visit.
Yes — commercial vans and fleet vehicles are a significant part of our work. We regularly work on Ford Transit, Mercedes Sprinter, VW Transporter and Crafter, Peugeot Boxer, Citroen Relay, Vauxhall Vivaro and Movano. We understand that vehicle downtime directly impacts your business, which is why we prioritise fast diagnosis and on-site repair wherever possible.
No, you don’t need a fault code — though if you have one it’s helpful. Just tell us what you’re experiencing: what warning lights are showing, any messages on the dashboard and what the vehicle is doing differently. We’ll run our own full diagnostic when we arrive to make sure nothing is missed. Fault codes give us a starting point, but they rarely tell the whole story on their own.
Yes — we are a fully mobile service. Our technicians come to your home, workplace or roadside location across Sussex, Surrey and parts of Kent and London. Our vans carry professional diagnostic equipment, specialist software and the tools needed to diagnose and resolve most faults on site. You don’t need to arrange recovery or take your vehicle anywhere.
We provide mobile AdBlue diagnostics across Sussex, Surrey and parts of Kent and London. This includes Crawley, Gatwick, Horsham, Redhill, East Grinstead, Brighton, Worthing, Guildford, Woking, Sevenoaks, Maidstone, Croydon, Bromley and surrounding areas. If you’re just outside these areas, contact us with your postcode — we may still be able to help.