Write-ups on the faults and warning lights we see most often on the van, from a mobile mechanic covering Leeds and West Yorkshire.
A look at the diesel particulate filter, how its pressure sensor tells the engine computer when it needs cleaning, common warning signs, and why removing a DPF is illegal in the UK.
READ THE GUIDE → DIAGNOSTICSWhy the EGR valve recirculates exhaust gas, how carbon build-up sticks it open or closed, common fault codes, and why EGR deletes are illegal in the UK.
READ THE GUIDE →We're adding more write-ups on the faults customers ask us about most — check back soon, or send us an enquiry if there's something you'd like explained.