Tag: Fault diagnosis

DPF Pressure Sensor vs AdBlue NOx Sensor – Which Fault Is Stopping Your Van?

The dash lights up like a Christmas tree: yellow coil, engine outline, and either P2452 or P20E8. One code blames the DPF pressure sensor, the other calls out the AdBlue NOx sensor, but both trigger limp mode and countdown locks under DVSA’s 2024 enforcement guidance. Swapping the wrong part costs…