DPF, EGR and boost-hose issues on CRDi diesels
ModerateExhaust & EmissionsShort-trip use and neglected servicing lead to blocked DPFs, sticky EGR valves and split boost hoses, causing limp mode and recurring warning lights.
Limp mode, Flat acceleration, Exhaust smoke, DPF regeneration smell or fan running on
- Drive the car long enough for full boost
- Inspect intercooler hoses for oil mist and splits
- Look for recent DPF or EGR work