AdBlue is an Ammonia based chemical (Urea) which is injected in to the Selective Catalytic Reduction (SCR) catalyst. The SCR cat is combined with the Diesel Particulate Filter (DPF). The objective of this system is to reduce harmful emissions, mainly oxides of Nitrogen (NOx).
When an AdBlue tank is empty the control system of the vehicle will give a limited amount of miles/kilometres until the system must be refilled, after this period the engine will not start unless taken to the main dealer to reset the system, this can be very expensive.
If the SCR system is working well and AdBlue is available to refill the system, then it makes sense to keep this system active and remain road legal.
In some situations, it may not be possible to fix an AdBlue system, or there may not be a garage near to you with suitable tools or equipment. We’ve also noticed that vehicles operating in cold environments like Scandinavia have persistent problems with the SCR system because the AdBlue freezes.
AdBlue delete is a last resort if you can’t fix the system or if you simply want to make your vehicle more reliable. Before going ahead with this, check the legality in the country where the vehicle will be used.
Our AdBlue delete is a manual solution developed in house, you wont get it elsewhere. We remove all aspects of the system: Urea injector, tank level sensor, Temperature sensors, AdBlue main ECU and all anti start features associated with the system.
We also advise to remove the DPF when removing the SCR system. At this point we don’t have any extended data to confirm if there are any negative effects upon the DPF system when the SCR Catalyst is removed. Due to this we think it’s safer to remove the DPF at the same time.