Get Support
07503 134362
DPF vs AdBlue delete – what’s legal in 2025?
“Should I delete the DPF, the AdBlue system, or both?” That question lands in my inbox daily—especially now the 2025 emissions tweaks have hit the UK statute book. Remove the wrong bit and you could face £1,000–£2,500 fines under the updated Road Vehicles (Construction and Use) Regs. Keep reading for…
By: 
AdBlue Consumption Too High? Five Causes and On-Site Checks
Your van gulped a full 10-litre can of AdBlue last week, and the dash already wants more. At £15 a fill that stings—but the real worry is a looming no-start lock if the SCR ECU believes fluid is vanishing without lowering NOx. RAC’s 2025 fleet study shows abnormal AdBlue use…
Mercedes OM651 / OM654: P13DF Heater vs P20E8 Low Pressure
Mercedes OM651/OM654: P13DF Heater vs P20E8 Low Pressure If your Mercedes diesel shows P13DF or P20E8, the SCR system is warning that AdBlue heating or pump pressure isn’t working as expected. These codes often appear together and can quickly lead to “No Start in 500 miles.” Here’s how to tell…
SPN 4354 Explained — DEF Line Heater 1 for Van Workshops
SPN 4354 Explained: DEF Line Heater 1 for Van Workshops If you’ve scanned a van showing SPN 4354 FMI 5, 6, or 18, it means the system can’t heat AdBlue fast enough. Known as “DEF Line Heater 1 Fault,” this issue often causes cold-start dosing errors and countdown warnings. Here’s…
Winter AdBlue Heater Fault? Keep Your Van Running in Stoke
-3 °C at 6 a.m. on Victoria Road, windscreen white, courier deadlines calling. You key the Sprinter and the blue light joins the crackling frost: P13DF – heater circuit open. No heater means thick, jelly-like urea that the pump can’t pull, and the countdown to “No start” begins. Each winter…