Expert Cars & Van Adblue Repair Services Across the UK

At STX Tuning, we provide fast, accurate AdBlue system repairs for diesel cars and vans facing dashboard warnings, injector failures, NOx sensor errors, or limp mode issues. Whether you drive a family SUV or a commercial van.

Client Reviews

Full AdBlue Repair for Diesel Cars & Commercial Vans

Avoid Costly Downtime with Fast, Trusted Diagnostics

Don’t let AdBlue issues disrupt your journeys or business operations. Whether you’re running a fleet of vans or a single family car, our expert team will get you back on the road quickly. We combine over 10 years of diesel diagnostics experience with mobile support, ensuring convenience and quality in one service.

Why STX Tuning is the Right Choice for Cars & Van Adblue Repair

10+ Years of Expertise

Decade-long experience in ECU remapping and performance upgrades with deep technical know-how.

400+ Five-Star Reviews

Proven customer satisfaction across hundreds of happy clients—your car is in trusted hands.

Specialists in Vehicles

Tailored tuning solutions specifically for Volkswagen, Audi, SEAT, Skoda, and BMW models.

Mobile Service Across England

Can’t visit? No problem. Our expert mobile technicians come to you—fast and hassle-free.

Advanced Emission Solutions

From AdBlue delete to NOx sensor bypass, we fix common diesel issues safely and effectively.

Custom & Safe ECU Remapping

Every tune is carefully calibrated for optimal performance, reliability, and drivability.

Common AdBlue Problems We Fix

Persistent AdBlue system malfunction warning lights
NOx sensor faults causing engine errors
AdBlue injector and pump failures disrupting dosing
Engine limp mode due to AdBlue issues
No-start countdown warnings blocking vehicle startup

Common AdBlue Fault Codes

P20E8 Reductant Pressure Too Low
P204F Reductant System Performance
P207F Reductant Quality Performance
P20EE SCR NOx Catalyst Efficiency Below Threshold
P2200 NOx Sensor Circuit Bank 1
P2201 NOx Sensor Circuit Range/Performance Bank 1
P229F NOx Sensor Range/Performance Bank 2
P2BA9 NOx Exceedence – Insufficient Reagent Quality
P2BAE SCR System Efficiency Below Threshold
P2BAC NOx Exceedence – Deactivation of EGR

Everything you need to now

Do you repair all makes and models?

Yes. We work on most diesel cars and vans including models from VW, Ford, Peugeot, Renault, Mercedes, and more. Please contact us with your reg for confirmation.

What are common AdBlue issues you repair?

We fix AdBlue injector faults, dosing pump failures, low pressure, NOx sensor errors, malfunction lights, and engine limp mode.

Can you come to my location?

Absolutely. Our mobile AdBlue repair service covers most of England, or you can visit our fully equipped Slough workshop.

Is this service different from AdBlue delete/removal?

Yes. This is a repair service to restore the original AdBlue system functionality, ideal for road-legal use. For off-road or export use, we also offer AdBlue delete options.

How long does an AdBlue repair take?

Most diagnostics and repairs are completed within 1 to 2 hours, depending on the fault and vehicle type.

Do you use genuine or aftermarket parts?

We use high-quality parts suitable for your make and model, ensuring lasting results and system reliability.