1.5 dCi (K9K)

2006–2013 · diesel · 1461cc · 86hp

Engine codes: K9K

Maint. Sensitive

Reliability, common problems and owner reviews for the Nissan Note 1.5 dCi (K9K). Check this before you buy used.

The Renault 1.5 dCi (K9K) — shared across Renault, Dacia and Nissan. Economical and high-mileage capable, with the standard K9K cautions: injector wear, turbo failure on oil neglect, and EGR clogging (a known Note diesel niggle along with a slipping auxiliary belt). Strong with strict oil discipline; only worth choosing over the petrols for high annual mileage.

Same engine, other cars

This is the same physical engine (K9K) sold under different names across brands. Reliability is broadly shared — cross-check these:

Known Issues

Injector wearrecurring

Worn injectors → hard start, smoke, rough running.

Fix / Workaround: Injector test; recon/replace; quality fuel.

Repair cost: €200–€900

Typically appears after: 150,000 km

Turbo failure (oil neglect)critical

Turbo fails on old/low oil.

Fix / Workaround: Strict oil changes; check turbo on drive.

Repair cost: €500–€1100

Typically appears after: 150,000 km

EGR clog / aux belt sliprecurring

EGR clogs on short trips; auxiliary belt can slip/squeal.

Fix / Workaround: Clean/replace EGR; replace aux belt + tensioner.

Repair cost: €100–€500

Mileage Thresholds

After 150,000 km: Injector/turbo window.

Pre-Purchase Checklist

☐Oil-change history
☐Cold-start smoke = injectors
☐Check EGR + aux belt

Frequently asked questions

Is the Nissan Note 1.5 dCi (K9K) reliable?

Maint. Sensitive — The Renault 1.5 dCi (K9K) — shared across Renault, Dacia and Nissan. Economical and high-mileage capable, with the standard K9K cautions: injector wear, turbo failure on oil neglect, and EGR clogging (a known Note diesel niggle along with a slipping auxiliary belt). Strong with strict oil discipline; only worth choosing over the petrols for high annual mileage.

What are the common problems and reviews for the Nissan Note 1.5 dCi (K9K)?

The most commonly reported problems: Injector wear, Turbo failure (oil neglect), EGR clog / aux belt slip.

Is a used Nissan Note 1.5 dCi (K9K) worth buying?

Fine if serviced correctly — but it punishes neglect hard. History and the right consumables matter.