AdBlue Pressure Sensor vs Pump Fault: How to Tell the Difference
U-code diagnostics • NOx comms loss • SCR warnings U029D Fault Code: NOx Sensor Communication Lost (Meaning, Causes, Fix Steps) U029D is not “a bad reading”. It’s a lost conversation between modules. Fixing the comms issue often stops the repeat AdBlue warnings. Call 07349 821 999 Book a mobile visit Mobile across Leicester, Loughborough & […]
P20E8 Code: AdBlue Low Pressure — Causes, Diagnosis & Fix
Seeing P20E8 on your dash or scan tool? That code means the AdBlue (DEF) system can’t build enough pressure. Below we explain what causes low pressure, how we diagnose it on your drive, and the quickest way to fix it. What P20E8 actually means P20E8 is “Reductant Pressure Too Low.” In plain English: the SCR […]