
VW Caddy AdBlue & DPF Fix with Performance Remap in Carharrack
At Kernowsport, we’ve worked on countless VW Caddys, and we never get tired of them. They’re practical, reliable, and always respond well to a tune. This particular job was in Carharrack, where we looked at an ex-British Gas VW Caddy Maxi M44 2.0 TDI that was suffering from AdBlue and DPF issues. Diagnosing the DPF Problem DPF problems can be some of the most frustrating issues for vehicle owners. A blocked DPF doesn’t just cause reduced performance — it also creates backpressure that can lead to multiple fault codes, warning lights, and other knock-on engine issues. In this case, our diagnostic equipment showed the DPF soot reading was at around 50% of its lifespan. That meant a DPF clean would be effective, restoring the filter without the need for costly replacement. After the usual plumes of smoke during cleaning, the Caddy was back to driving like new, with smooth power delivery and no backpressure issues. Stage 1 Remap for Better Performance The owner also decided to take the opportunity to carry out a Stage 1 ECU remap. With the extra weight the van regularly carried, a performance tune made perfect sense. The result? Noticeable improvements in power, torque, and drivability,










