ModerateAffected: 2007-201340,000–90,000 miles

Nissan Qashqai J10 1.5 dCi 106bhp — DPF Blockage and Sensor Failure

DPF issues on the J10 Qashqai are common because many are used as school-run and short-trip vehicles — exactly the wrong driving profile for a diesel with a DPF.

Severity

Moderate

DIY Difficulty

Moderate

Est. Cost

£200–£900

OBD Codes

P2452P2453P2454

Component Diagram

DPF

Typical layout and location for the DPF assembly.

Reference Illustration

Symptoms

DPF warning light on dashboard
Power reduction and limp mode
Engine oil level rising (diesel contamination from failed regen)
Black smoke
P2453 or P2454 pressure sensor codes

Root Cause

Soot accumulates in the DPF during short cold trips. Passive and active regeneration both require higher temperatures and RPM than typical urban use provides. A blocked DPF can contaminate engine oil with diesel fuel from failed regens.

How To Fix

Check engine oil dipstick — if it smells of diesel or is above max, change oil immediately
Attempt forced regen via OBD (Consult software or generic EOBD)
Professional DPF clean: £200-350 (removes and pressure cleans)
If ash content too high, replacement required: £400-900
Consider changing to a petrol Qashqai if urban use is predominant

Estimated Repair Costs

Repair Option	Est. Cost (GBP)
DIY (parts only)	£80–£360
Independent Garage	£200–£900
Main Dealership	£320–£1440

Other Faults on This Variant

Timing Chain Failure (K9K Engine)

Severe

2006-201380,000–140,000 miles£600–£1000

The Renault/Nissan K9K 1.5 dCi engine in the Qashqai J10 is known for timing chain wear. Unlike a timing belt, there is no scheduled replacement — but chains stretch and tensioners fail.

Steering Column Clicking / Rack Failure

Moderate

2007-201350,000–100,000 miles£150–£600

A clicking or clunking noise when turning the steering wheel at low speeds is extremely common. It usually stems from the steering column universal joint or the rack itself.

CVT / Automatic Gearbox Failure

Critical

2007-201360,000–110,000 miles£1500–£2500

Nissan's X-Tronic CVT gearbox is notoriously fragile. It suffers from belt slippage, bearing failure, and juddering, often requiring a complete replacement.

Disclaimer: Repair cost estimates are indicative and based on community data. Always get a quote from a qualified mechanic before proceeding with any repair.