Engine Code

Renault 829-720 Engine (2001–2006) – Specs, Problems & Compatibility Database

The Renault 829 720 is a 1,870 cc, inline‑four turbo‑diesel engine produced between 2001 and 2006. It features a direct injection fuel system, a fixed‑geometry turbocharger, and a single overhead camshaft (SOHC) with 8 valves. This engine, often designated as the F9Q, was designed for durability and strong low‑end torque for everyday drivability.

Fitted to models such as the Mégane II, Scénic II, and Espace IV, the 829 720 engine was engineered for dependable, economica

Renault Engine
Compliance Note:

Production years 2001–2006 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/5678).

Renault 829-720 Technical Specifications

The Renault 829 720 is a 1,870 cc inline‑four turbo‑diesel engineered for compact and mid‑size MPVs (2001-2006). It combines direct injection with a fixed‑geometry turbocharger to deliver strong low‑rpm torque and dependable performance. Designed to meet Euro 3 standards, it prioritizes economy and robustness.

ParameterValueSource
Displacement
1,870 cc
Fuel type
Diesel
Configuration
Inline‑4, SOHC, 8‑valve
Aspiration
Turbocharged
Bore × stroke
80.0 mm × 93.0 mm
Power output
81–88 kW (110–120 PS)
Torque
240–270 Nm @ 1,750–2,500 rpm
Fuel system
Direct injection (Siemens SID802)
Emissions standard
Euro 3
Compression ratio
18.5:1
Cooling system
Water‑cooled
Turbocharger
Single fixed‑geometry turbo (Garrett)
Timing system
Belt‑driven
Oil type
Renault RN0700 or RN0710 (SAE 5W‑40)
Dry weight
165 kg

Renault 829-720 Compatible Models

The Renault 829 720 was used across Renault's Mégane II/Scénic II platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Espace IV-creating minor interchange considerations. All adaptations are documented in OEM technical bulletins.

Make:
Renault
Years:
2002–2006
Models:
Mégane II (Phase 1)
Variants:
1.9 dCi 110, 1.9 dCi 120
View Source
Renault Group PT-2005
Make:
Renault
Years:
2003–2006
Models:
Scénic II (Phase 1)
Variants:
1.9 dCi 110, 1.9 dCi 120
View Source
Renault Group PT-2005
Make:
Renault
Years:
2002–2006
Models:
Espace IV
Variants:
1.9 dCi 120
View Source
Renault TIS Doc. F9Q-04
Make:
Renault
Years:
2001–2005
Models:
Laguna II (Phase 1)
Variants:
1.9 dCi 110
View Source
Renault TIS Doc. F9Q-05

Common Reliability Issues - RENAULT 829-720 Compatible Models

The 829 720's primary reliability risk is injector seal failure, with elevated incidence in high-mileage engines. Renault internal service data indicates this is a common cause for workshop visits after 150,000 km, while owner reports frequently cite associated oil leaks. Extended oil change intervals and low-quality fuel make preventative seal replacement critical.

Injector seal failure
Symptoms: Oil smell, oil leaks from dipstick tube or rocker cover, white smoke from breather, loss of power.
Cause: Degradation of the copper and rubber seals around the fuel injectors, allowing combustion gases to enter the crankcase.
Fix: Replace all injector seals with the latest OEM-specified kit per Renault Technical Note 8297A; clean crankcase breather system.
EGR valve and cooler clogging
Symptoms: Rough idle, hesitation under acceleration, increased fuel consumption, engine management light (EML) illumination.
Cause: Accumulation of soot and carbon deposits within the EGR valve and its cooler, restricting exhaust gas flow.
Fix: Remove and clean the EGR valve and cooler assembly; replace if heavily clogged or damaged per OEM procedure.
Turbocharger actuator failure
Symptoms: Loss of boost pressure, whistling noise from turbo, engine entering limp mode, reduced performance.
Cause: Wear or seizure of the vacuum-operated wastegate actuator rod or diaphragm, preventing proper boost control.
Fix: Replace the turbocharger actuator unit with a new OEM part; inspect vacuum lines for leaks or damage.
Timing belt and tensioner wear
Symptoms: Ticking noise from front of engine, visible belt wear or cracking, engine will not start if broken.
Cause: Age and mileage-related wear of the rubber timing belt and mechanical tensioner pulley, leading to potential failure.
Fix: Replace the timing belt, tensioner, and idler pulleys as a complete kit at the manufacturer's recommended interval (typically 100,000 km or 5 years).
Research Basis

Analysis derived from Renault technical bulletins (2003-2007) and aggregated European owner workshop data (2010-2020). Repair procedures should follow manufacturer guidelines.

RENAULT 829-720 FAQ Common Questions Answered

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

The 829 720 is generally robust but has a known weakness with injector seals failing on high-mileage engines. With preventative maintenance, specifically replacing these seals and adhering to strict timing belt intervals, it can be very reliable. Using the correct Renault-spec oil is crucial for longevity.

The most frequent issues are injector seal failure causing oil leaks, EGR system clogging leading to performance loss, turbo actuator failure resulting in limp mode, and timing belt wear. These are well-documented in Renault service information and owner communities.

This 1.9 dCi engine was primarily used in the Mégane II, Scénic II, Espace IV, and Laguna II from 2001 to 2006. It was badged as the 1.9 dCi 110 or 120, depending on the power output and model year.

Yes, the 829 720 responds well to ECU remapping. Stage 1 tunes can safely increase power to around 140-150 PS and torque to 300+ Nm. The stock turbo and internals are quite strong. However, supporting modifications like a better intercooler are recommended for sustained high performance.

Excellent for its era. In a Mégane II or Scénic II, you can expect real-world figures of 5.5-6.5 L/100km (43-51 mpg UK) on a mixed cycle. Highway driving can see consumption drop to around 4.5 L/100km (63 mpg UK).

Yes. The 829 720 is an interference engine. If the timing belt breaks or jumps, the pistons will collide with the open valves, causing severe and expensive engine damage. This makes adhering to the timing belt replacement schedule absolutely critical.

Renault specifies RN0700 or RN0710 fully synthetic oil, typically in 5W-40 viscosity. This is essential for protecting the turbocharger, maintaining injector seal integrity, and ensuring proper lubrication. Using the correct specification is non-negotiable for engine health.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

Independent Technical Reference

EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with RENAULT or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.

Sourcing Policy

Strict Sourcing Protocol

Only official OEM publications and government portals are cited.

No Unverified Sources

No Wikipedia, forums, blogs, or third-party aggregators are used.

Transparency in Gaps

If a data point is not officially disclosed, it is marked 'Undisclosed'.

Regulatory Stability

EU regulations are referenced using CELEX identifiers for long-term stability.

Primary Sources

RENAULT Official Site

Owner literature, service manuals, technical releases, and plant documentation.

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.

Methodology

Data Compilation

All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.

Corrections & Submissions

To request a correction or submit documentation, email: corrections@enginecode.uk

Copyright & Legal

Fair Dealing Use

All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.

Copyright Concerns

For copyright concerns, email: copyrights@enginecode.uk

Data Privacy

GDPR Compliance

EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.

Data Requests

For access, correction, or deletion requests, email: gdpr@enginecode.uk

Trademarks

Trademark Notice

All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.

Commercial Disclosure

No Paid Endorsements

This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.

Funding Model

Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.

Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialRENAULT documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

All external links open in new tabs. Please verify current availability of resources.