I have a risk of particle filter blocking warning showing up. Why is the regeneration not clearing it even after a long run at high speed? I'm faced with a huge bill for turbo issues with my diesel ...

Some versions of the Volvo V50 and S40 fitted with a DPF had an additional tank of Eloys DPF fluid which is mounted above the rear axle, so if this is the case with your car then this needs to be ...