The Renault K9K 732 is a 1,461 cc, inline‑three turbo‑diesel engine produced between 2007 and 2018. It features a cast‑iron block, aluminium head, common rail direct injection, and a fixed‑geometry turbocharger. In its most common form, it delivers 66 kW (90 PS) and 200 Nm of torque, offering a blend of compact size and strong low‑end pull for city and urban driving.
Fitted extensively to the Clio III, Twingo II, Modus, and Kangoo, the K9K 732 was engineered for fuel efficien…
Production years 2007–2010 meet Euro 4 standards; 2011–2018 models meet Euro 5 compliance depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Renault K9K 732 is a 1,461 cc inline‑three turbo‑diesel engineered for supermini and light commercial vehicles (2007-2018). It combines common‑rail direct injection with a fixed‑geometry turbocharger to deliver strong low‑rpm torque and frugal fuel consumption. Designed to meet Euro 4 and Euro 5 standards, it balances urban agility with operational economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,461 cc | |
Fuel type | Diesel | |
Configuration | Inline‑3, DOHC, 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 1,350 bar) | |
Emissions standard | Euro 4 (pre‑2011); Euro 5 (2011–2018) | |
Compression ratio | 15.8:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Fixed‑geometry turbo (Garrett) | |
Timing system | Chain‑driven | |
Oil type | Renault RN0700 or RN0710 (SAE 5W‑30) | |
Dry weight | 110 kg |
The Renault K9K 732 was used across Renault's B/C-segment platforms with transverse mounting. This engine received platform-specific adaptations-reinforced mounts in the Kangoo and specific ECU calibrations for the Twingo-and from 2011 received updates for Euro 5 compliance, including a DPF on some variants. All adaptations are documented in OEM technical bulletins.
The K9K 732's primary reliability risk is EGR system clogging, with elevated incidence in vehicles used for short urban trips. Renault internal data indicated a high rate of EGR-related faults in city-driven vehicles, while UK DVSA MOT statistics frequently cite emissions failures linked to this issue. Short journeys prevent the system from self-cleaning, making proactive maintenance critical.
Analysis derived from Renault technical bulletins (2007-2018) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The K9K 732 is generally robust with a simple design, but long-term reliability heavily depends on usage. Vehicles used for long journeys are typically trouble-free, while those used for short trips often face EGR and DPF issues. Regular oil changes and using the correct fuel are crucial for longevity.
The most frequent issues are EGR valve/clogging, glow plug failures, and leaks from injector seals or fuel return lines. Turbo actuator problems and DPF regeneration faults are also common, especially in urban-driven cars. These are well-documented in Renault service notes.
This 1.5L dCi engine was used in the Clio III, Twingo II, Modus, and Kangoo. It was also found in the Dacia Sandero and the Nissan Micra K13. Power output is typically 90 PS, making it a popular choice for compact, economical vehicles across these brands.
Yes, it has good tuning potential. A simple ECU remap can safely increase power to 110-115 PS and torque to 220-240 Nm. The engine and turbo can handle this extra stress. More aggressive tuning requires upgraded components. Always ensure the clutch can handle the increased torque.
Excellent for its era. In a Clio or Twingo, expect 4.5-5.0 L/100km (56-52 mpg UK) on a combined cycle. Highway driving can yield under 4.0 L/100km (70+ mpg UK). Real-world economy in city driving is lower, around 5.5-6.5 L/100km (51-43 mpg UK), especially if the EGR system is clogged.
Yes. The K9K 732 is an interference engine. If the timing chain were to fail or jump (though rare), the pistons would collide with the open valves, causing catastrophic internal engine damage. This underscores the importance of addressing any unusual engine noises promptly.
Renault mandates RN0700 or RN0710 specification oil, typically a 5W-30 synthetic. This low-SAPS oil is essential for protecting the DPF (on post-2011 models) and ensuring the longevity of the high-pressure fuel pump. Using the wrong oil can lead to DPF blockage and expensive repairs.
Comprehensive technical documentation and regulatory references
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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