EGR, DPF and injector issues on CRDi diesels
ModerateExhaust & EmissionsThe diesel engines can do big mileage, but clogged EGR valves, pressured DPF systems and occasional injector issues are common on cars that live on school-run duty.
Hesitation under load, Limp mode, Uneven idle, DPF warning light or excess smoke
- Cold-start smoke and idle
- History of EGR or DPF cleaning
- Evidence of regular motorway use
- Injector-seal condition