DPF efficiency below threshold on Nissan — 1.5/1.6 dCi K9K (Qashqai/Juke) DPF clogging.
Nissan P2002 — DPF efficiency below threshold on Nissan — 1.5/1.6 dCi K9K (Qashqai/Juke) DPF clogging. Typical UK independent garage cost: £180–£1600.
What actually causes P2002 on a Nissan
Nissan dCi P2002 — same K9K story as Renault. Belt-in-oil where fitted is a concurrent risk.
Nissan engines that log P2002
- 1.5 dCi K9K (Qashqai/Juke)
- 1.6 dCi R9M (Qashqai/X-Trail)
How we diagnose P2002 on a Nissan
- K9K belt-in-oil check where applicable
- DPF data via Consult III
- Forced regen
- Clean or replace
The common misdiagnosis to avoid
Qashqai owners with school-run usage need education — the DPF will fail again if habits don't change.
Nissan P2002 repair cost in the UK
Expect £180–£1600 including parts and labour at an independent garage. Main-dealer quotes on Nissan are usually higher for the same job, and the spread exists because the cheap cause and the expensive cause throw the same code — pay for the diagnosis before you pay for parts.
Bob's workshop tip
Qashqai 1.5 dCi P2002 — short-trip driver = honest conversation about diesel suitability.
Codes usually seen alongside P2002 on Nissan
- P2463
Symptoms drivers report with P2002
- The 'Engine Service Now' message on the dash, often without a limp mode initially.
- Thick black soot deposits around the inside of the tailpipe (it should be clean enough to eat off).
- A heavy smell of diesel fumes inside the cabin when sitting at traffic lights.
- The car seems to perform fine but the 'DPF Full' warning keeps popping up every 50 miles.
- Excessive cooling fan noise because the car is constantly trying (and failing) to start a regeneration.
Repairs that clear P2002
- Static regen on scan tool
- Replace pressure sensor
- Injector leak-off test
- Chemical DPF clean, replace if blocked >80%
For the generic, all-makes explanation of this code — meaning, every known cause and UK cost bands — see our P2002 guide.