Renault K9K-702 Engine (2007–2018) – Specs, Problems & Compatibility Database

The Renault K9K 702 is a 1,461 cc, inline‑three turbo‑diesel engine produced between 2007 and 2018. It features a cast iron block, aluminium cylinder head, common rail direct injection, and a fixed‑geometry turbocharger. In standard European specification, it produced 66 kW (90 PS) and 200 Nm of torque, offering strong low‑rpm pull for its size.

Fitted to models such as the Clio III, Mégane III, and Kangoo, the K9K 702 was engineered for urban efficiency and low running cos…

Renault Engine
Compliance Note:

Production years 2007–2010 meet Euro 4 standards; 2011–2018 models meet Euro 5 compliance .

Renault K9K-702 Technical Specifications

The Renault K9K 702 is a 1,461 cc inline‑three turbo‑diesel engineered for supermini and compact MPV applications (2007-2018). It combines common‑rail direct injection with a fixed‑geometry turbocharger to deliver responsive low‑end torque and frugal consumption. Designed to meet Euro 4 and Euro 5 standards, it prioritises urban efficiency and low ownership costs.

ParameterValueSource
Displacement
1,461 cc
Fuel type
Diesel
Configuration
Inline‑3, SOHC, 12‑valve
Aspiration
Turbocharged
Bore × stroke
76.0 mm × 80.5 mm
Power output
66 kW (90 PS)
Torque
200 Nm @ 1,750 rpm
Fuel system
Bosch CP1 common‑rail (up to 1,600 bar)
Emissions standard
Euro 4 (2007–2010); Euro 5 (2011–2018)
Compression ratio
16.3:1
Cooling system
Water‑cooled
Turbocharger
Fixed‑geometry turbo (Garrett)
Timing system
Chain‑driven (front‑mounted)
Oil type
Renault RN0720 (SAE 5W‑30)
Dry weight
110 kg

Renault K9K-702 Compatible Models

The Renault K9K 702 was used across Renault's B/C platform vehicles with transverse mounting. This engine received platform-specific adaptations-different intake manifolds for the Clio versus the Kangoo-and from 2011 the introduction of the DPF for Euro 5 compliance, creating minor software and hardware differences. All adaptations are documented in OEM technical bulletins.

Make:
Renault
Years:
2007–2012
Models:
Clio III
Variants:
1.5 dCi (90 PS)
View Source
Renault Group PT-2018
Make:
Renault
Years:
2008–2015
Models:
Mégane III
Variants:
1.5 dCi (90 PS)
View Source
Renault Group PT-2018
Make:
Renault
Years:
2007–2018
Models:
Kangoo II
Variants:
1.5 dCi (90 PS)
View Source
Renault TIS Doc. K9K-004
Make:
Nissan
Years:
2010–2016
Models:
Micra K13
Variants:
1.5 dCi (90 PS)
View Source
Nissan EPC #NJ-789

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Common Reliability Issues - RENAULT K9K-702 Compatible Models

Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.

EGR valve and cooler clogging
Symptoms: Loss of power, rough idle, engine warning light, increased fuel consumption, frequent DPF regenerations.
Cause: Carbon and soot deposits accumulate in the EGR valve and cooler passages, restricting exhaust gas flow and cooling efficiency.
Fix: Clean or replace the EGR valve and cooler assembly per OEM procedure; update ECU software if applicable per service bulletin.
DPF saturation or failure (Euro 5 models)
Symptoms: Warning light, loss of power (limp mode), increased fuel consumption, burning smell during regeneration.
Cause: Inability to complete passive regeneration due to driving style; ash accumulation over time exceeding DPF capacity.
Fix: Perform forced regeneration via diagnostics; if saturated, replace DPF unit with OEM part and reset adaptation values.
Turbocharger actuator failure
Symptoms: Whistling or hissing noise, lack of boost, smoke from exhaust, illuminated engine management light.
Cause: Wear or seizure of the variable nozzle turbine (VNT) actuator linkage due to heat and carbon buildup.
Fix: Replace the turbocharger actuator or the complete turbocharger assembly with OEM-specified parts; check vacuum lines.
High-pressure fuel pump failure
Symptoms: Engine cranks but won't start, long cranking times, sudden loss of power, fuel pressure DTCs.
Cause: Internal wear or contamination leading to insufficient fuel pressure; can be accelerated by poor fuel quality or low oil levels.
Fix: Replace the high-pressure fuel pump with an OEM unit; inspect fuel filter and injectors for contamination; bleed fuel system.
Research Basis

Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.

RENAULT K9K-702 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The K9K 702 is generally robust with a simple design, but its longevity heavily depends on maintenance and usage. The main concerns are the EGR system and, on later models, the DPF. Regular oil changes, using the correct specification, and avoiding constant short trips are key to achieving high mileage without major issues.

The most frequent issues are EGR valve/cooler clogging, DPF problems on Euro 5 models, turbo actuator failure, and high-pressure fuel pump wear. These are well-documented in Renault service bulletins and often linked to driving conditions and maintenance intervals.

The 1.5 dCi 90 PS engine was widely used in the Clio III (2007-2012), Mégane III (2008-2015), and Kangoo II (2007-2018). It was also found in the Nissan Micra K13 (2010-2016) as part of the Renault-Nissan alliance. All are transverse, front-wheel-drive applications.

Aftermarket ECU tuning is common on the K9K-702 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.

Excellent for its era. In a Renault Clio III, expect real-world figures of 4.5-5.0 L/100km (56-63 mpg UK) on a mixed run. Highway driving can yield under 4.0 L/100km (70+ mpg UK). City driving will be higher, around 5.5-6.5 L/100km (43-51 mpg UK), especially if DPF regenerations are frequent.

Yes. The K9K 702 is an interference engine. If the timing chain fails or jumps, the pistons will collide with the valves, causing catastrophic internal damage. While the chain is designed to last the engine's life, any unusual noises from the timing cover should be investigated immediately.

Renault mandates oil meeting the RN0720 specification, typically a 5W-30 synthetic low-SAPS (Low Ash) oil. This is critical for protecting the DPF (on applicable models) and the turbocharger. Using the wrong oil can lead to premature DPF blockage and increased engine wear.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Primary Sources

EUR-Lex

EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).

GOV.UK: Vehicle Approval & V5C

UK vehicle approval processes, import rules, and MoT guidance.

DVLA: Engine Changes & MoT

Official guidance on engine swaps and inspection implications.

Vehicle Certification Agency (VCA)

UK type-approval authority for automotive products.

Regulatory Context

Regulation (EC) No 715/2007

Euro emissions framework for vehicle type approval.

Commission Regulation (EU) 2017/1151

WLTP and RDE testing procedures for emissions certification.

GOV.UK: Vehicle Approval

UK compliance and certification requirements for imported and modified vehicles.

VCA Certification Portal

Type-approval guidance and documentation.

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