EGR Valve Faults on a Diesel Van: Test, Clean or Replace
by The EGR valve is blamed more often than it fails. How to tell a sticking valve from a wiring or sensor fault, when cleaning is worthwhile, and why the intake manifold matters too.
Category: Emissions & DPF
Diesel emissions systems explained for van owners — DPF blockages and regeneration, EGR valve faults, AdBlue and SCR warnings, and how to resolve them legally and properly.
DPF Warning Light on Your Van: What It Means and What to Do
The DPF light is a request before it is a fault. What each warning stage means, how to clear it properly, why regeneration fails and when it stops being a driving problem.