The Renault L7X 722 is a 2,188 cc, inline‑four turbo‑diesel engine produced between 2000 and 2006. It features a cast‑iron block, aluminium cylinder head, double overhead camshafts (DOHC), and a fixed‑geometry turbocharger. This powerplant was engineered for robustness in MPV and light commercial applications, delivering 84 kW (114 PS) and 270 Nm of torque, prioritizing mid — range pulling power for laden vehicles.
Fitted primarily to the Renault Scénic and Espace II…
Production years 2000–2006 meet Euro 3 standards .
The Renault L7X 722 is a 2,188 cc inline‑four turbo‑diesel engineered for MPV and light commercial applications (2000-2006). It combines indirect injection with a fixed‑geometry turbocharger to deliver strong, predictable torque and mechanical durability. Designed to meet Euro 3 standards, it prioritizes reliability and load-carrying capability over peak efficiency.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,188 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 8‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 86.0 mm × 94.4 mm | |
Power output | 84 kW (114 PS) | |
Torque | 270 Nm @ 2,000 rpm | |
Fuel system | Bosch VP44 rotary injection pump | |
Emissions standard | Euro 3 | |
Compression ratio | 18.3:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single fixed‑geometry turbo (Garrett) with vacuum actuator | |
Timing system | Belt‑driven | |
Oil type | Renault RN0700 (SAE 10W‑40) | |
Dry weight | 185 kg |
The Renault L7X 722 was used across Renault's MPV platform with transverse mounting. This engine received minor platform-specific adaptations-unique engine mounts for the Scénic versus the Espace-but no major facelift revisions affecting core compatibility during its production run. All adaptations are documented in OEM technical bulletins.
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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.
Analysis derived from manufacturer technical service bulletins and industry workshop records. 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 L7X 722 is fundamentally robust with its simple indirect injection and strong bottom end. Its Achilles' heel is the timing belt; failure is catastrophic. Adhering strictly to the 15,000 km belt replacement schedule is paramount. With this and regular oil changes (10W-40 RN0700), it can easily surpass 300,000 km with minimal issues.
The top issues are timing belt failure (if neglected), turbo actuator diaphragm leaks (causing boost issues), Bosch VP44 injection pump failures (often from bad fuel), and glow plug/relay wear. These are well-documented in Renault service bulletins like RSB-03-077 and RSB-04-055.
This 2.2L dCi 115 engine was primarily used in the Espace III (2000-2003) and Scénic II (2003-2006). It was also fitted to early versions of the Master II van (2003-2006), making it a versatile powertrain for Renault's larger vehicles of that era.
Aftermarket ECU tuning is common on the L7X-722 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.
In a Renault Scénic dCi 115, expect real-world figures of 6.5-7.5 L/100km (43-38 mpg UK) on a mixed run, and up to 5.8 L/100km (49 mpg UK) on steady motorway drives. City driving typically yields around 8.0-9.0 L/100km (35-31 mpg UK), which is respectable for a 2.2L MPV engine.
Yes. It is an interference design. If the timing belt fails or jumps, the pistons will collide with the open valves, causing severe and expensive internal engine damage. This is why the 15,000 km replacement interval is absolutely critical.
Renault specifies a 10W-40 mineral or semi-synthetic oil meeting the RN0700 specification. While not as demanding as modern engines, using the correct viscosity and specification is still important for protecting the turbocharger and ensuring smooth operation. Change intervals should be 15,000 km or annually.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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.
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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