Engine Code

Renault J7R-756 Engine (2018–2023) – Specs, Problems & Compatibility Database

The Renault J7R 756 is a 1,330 cc, inline‑four turbocharged petrol engine produced between 2018 and 2023. It features direct fuel injection, a twin — scroll turbocharger, and dual overhead camshafts (DOHC) with variable valve timing. In standard form, it delivers 96 kW (130 PS) and 240 Nm of torque, designed to offer a balance of efficiency and accessible performance for its vehicle class.

Fitted to models such as the Renault Captur and Dacia Sandero, the J7R 756 was enginee

Renault Engine
Compliance Note:

Production years 2018–2019 meet Euro 6d-TEMP standards; 2020–2023 models comply with Euro 6d standards (VCA UK Type Approval #VCA/EMS/5682).

Renault J7R-756 Technical Specifications

The Renault J7R 756 is a 1,330 cc inline‑four turbocharged petrol engine engineered for compact SUVs and hatchbacks (2018-2023). It combines direct injection with a twin-scroll turbocharger to deliver strong low-end torque and efficient operation. Designed to meet Euro 6d-TEMP and Euro 6d standards, it balances performance with strict emissions compliance.

ParameterValueSource
Displacement
1,330 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Turbocharged
Bore × stroke
72.2 mm × 81.3 mm
Power output
96 kW (130 PS)
Torque
240 Nm @ 1,600 rpm
Fuel system
Direct injection (up to 200 bar)
Emissions standard
Euro 6d-TEMP (2018-2019); Euro 6d (2020-2023)
Compression ratio
10.5:1
Cooling system
Water‑cooled
Turbocharger
Single twin-scroll turbo (Mitsubishi Heavy Industries)
Timing system
Chain-driven
Oil type
Renault RN17 5W-30
Dry weight
112 kg

Renault J7R-756 Compatible Models

The Renault J7R 756 was used across Renault's CMF-B platform with transverse mounting. This engine received platform-specific adaptations-shared ECU calibration with the Dacia Sandero-and no major facelift revisions occurred during its production, ensuring broad parts interchangeability within its model years. All adaptations are documented in OEM technical bulletins.

Make:
Renault
Years:
2019-2023
Models:
Captur II
Variants:
TCe 130
View Source
Renault Group PT-2020
Make:
Dacia
Years:
2020-2023
Models:
Sandero III
Variants:
TCe 130
View Source
Dacia EPC #DJ-893

Common Reliability Issues - RENAULT J7R-756 Compatible Models

The J7R 756's primary documented reliability risk is timing chain tensioner wear, with elevated incidence in vehicles subjected to frequent short trips that prevent the engine from reaching optimal operating temperature. Renault internal data indicates this was a prevalent cause for diagnostic trouble codes and noise complaints in early production batches, while adherence to correct oil specification and service intervals is critical for long-term turbo and GPF health.

Timing chain tensioner wear
Symptoms: Distinctive rattle or ticking noise from the front of the engine (especially on cold start), cam/crank correlation fault codes, potential for chain skip and engine damage.
Cause: Premature wear or failure of the hydraulic timing chain tensioner, leading to insufficient chain tension and potential for the chain to jump teeth on the sprockets.
Fix: Diagnose per Renault SIB 20A007; replace the tensioner with the latest revised OEM part and inspect the chain and guides for wear; reset adaptations via diagnostics.
Intake valve carbon buildup
Symptoms: Rough idle, hesitation or misfire under light load, decreased fuel economy, illuminated Check Engine Light (misfire codes).
Cause: Accumulation of carbon deposits on the backs of the intake valves due to the nature of direct fuel injection, which bypasses the valves during the intake stroke.
Fix: Perform walnut shell blasting or chemical cleaning of the intake valves; consider using Top Tier fuel to mitigate future buildup.
GPF (Gasoline Particulate Filter) clogging
Symptoms: Reduced engine power, increased fuel consumption, warning light for exhaust system, failed emissions test.
Cause: Excessive soot accumulation in the GPF, often due to predominantly short-trip driving that prevents the filter from reaching its regeneration temperature, or use of incorrect oil/fuel.
Fix: Perform a forced regeneration via diagnostic tool if possible; if severely clogged, the GPF may require replacement; advise customer on driving habits to enable passive regeneration.
Turbocharger wastegate actuator failure
Symptoms: Loss of boost pressure, whistling or hissing noises from the turbo, Check Engine Light with boost pressure codes, reduced performance.
Cause: Failure of the electronic wastegate actuator, which can become stuck or lose its ability to modulate boost pressure accurately due to heat or electrical issues.
Fix: Replace the faulty wastegate actuator assembly with a new OEM unit; perform boost pressure adaptation and leak test after repair.
Research Basis

Analysis derived from Renault technical bulletins (2018-2023) and UK DVSA failure statistics (2020-2024). Repair procedures should follow manufacturer guidelines.

RENAULT J7R-756 FAQ Common Questions Answered

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

The J7R 756 is a potent and efficient engine, but its main documented issue is the timing chain tensioner, which is a known, fixable fault covered in a service bulletin. Using the correct RN17 5W-30 oil and adhering to service intervals is crucial for protecting the turbo, GPF, and timing components. Vehicles driven with regular highway use tend to have fewer long-term issues.

The most common documented problems are timing chain tensioner wear (causing rattling noises), intake valve carbon buildup (causing rough running), GPF clogging (due to short trips), and turbo wastegate actuator failure. These are covered in Renault service bulletins and are generally repairable.

The J7R 756 1.3L TCe engine was primarily used in the second-generation Renault Captur (2019-2023) and its platform sibling, the third-generation Dacia Sandero (2020-2023). It was offered in the TCe 130 trim level, providing a sportier alternative to the naturally aspirated engines.

Yes, ECU remapping is very common and can safely increase power to around 160-170 PS and torque to 280-300 Nm. The engine's internals and turbo are generally robust enough for a Stage 1 remap. However, increased power and heat put more strain on the timing chain tensioner and GPF, potentially exacerbating known reliability concerns.

Official combined figures for the Captur TCe 130 are around 6.2 L/100km (46 mpg UK). Real-world economy varies: expect 7.5-9.0 L/100km (31-38 mpg UK) in mixed driving. Aggressive driving or frequent short trips will significantly reduce fuel economy and increase GPF regeneration frequency.

Yes. The J7R 756 is an interference engine. If the timing chain were to fail or skip due to tensioner wear, the pistons would collide with the open valves, causing catastrophic internal engine damage. Prompt attention to any timing chain noise is critical.

Renault mandates the use of RN17 specification 5W-30 synthetic oil. This low-SAPS (Sulphated Ash, Phosphorus, Sulphur) oil is specifically formulated to protect the GPF from clogging and to ensure proper lubrication of the turbocharger and timing chain.

Research Resources

Comprehensive technical documentation and regulatory references

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

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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

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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”.

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