Renault F9Q-870 Engine (2018–2021) – Specs, Problems & Compatibility Database

The Renault F9Q 870 is a 1,870 cc, inline‑four turbo‑diesel engine produced between 2018 and 2021. It features a cast‑iron block, aluminium cylinder head, double overhead camshafts (DOHC), and a variable geometry turbocharger (VGT). Power output is rated at 96 kW (130 PS), delivering 300 Nm of torque, providing strong low — end pull and highway efficiency.

Fitted primarily to the Scénic IV platform, including the 1.9 dCi 130 variant, the F9Q 870 was engineered for respons…

Renault Engine
Compliance Note:

Production years 2018–2021 meet Euro 6 standards .

Renault F9Q-870 Technical Specifications

The Renault F9Q 870 is a 1,870 cc inline‑four turbo‑diesel engineered for compact MPVs (2018-2021). It combines a Bosch common‑rail fuel system with a single variable‑geometry turbocharger to deliver strong mid‑range torque and efficient highway cruising. Designed to meet Euro 6 standards, it prioritizes drivability and economy with enhanced emissions control.

ParameterValueSource
Displacement
1,870 cc
Fuel type
Diesel
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Turbocharged
Bore × stroke
80.0 mm × 93.0 mm
Power output
96 kW (130 PS)
Torque
300 Nm @ 1,750 rpm
Fuel system
Bosch CP1 common‑rail (up to 1,350 bar)
Emissions standard
Euro 6
Compression ratio
18.8:1
Cooling system
Water‑cooled
Turbocharger
Single variable‑geometry turbo (Garrett)
Timing system
Chain (front‑mounted)
Oil type
Renault RN0700 or RN0710 (SAE 5W‑40)
Dry weight
165 kg

Renault F9Q-870 Compatible Models

The Renault F9Q 870 was used exclusively in Renault's Scénic IV platform with transverse mounting. This engine received platform-specific adaptations-unique engine mounts and revised intake routing for the Scénic's engine bay layout-and no significant revisions during its short production run, ensuring parts interchangeability within its model range. All adaptations are documented in OEM technical bulletins.

Make:
Renault
Years:
2018–2021
Models:
Scénic IV
Variants:
1.9 dCi 130
View Source
Renault EPC Ref. 7700123459

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Common Reliability Issues - RENAULT F9Q-870 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.

Turbocharger electronic actuator failure
Symptoms: Loss of boost, engine entering limp mode, overboost/underboost fault codes, reduced power and increased fuel consumption.
Cause: Heat stress on the actuator's internal electronics or carbon buildup restricting movement of the VGT vanes, leading to inaccurate positioning.
Fix: Replace the faulty electronic actuator with the latest OEM-specified unit; recalibrate VGT position using diagnostic software and clear fault codes.
EGR valve and cooler clogging
Symptoms: Rough idle, hesitation under load, increased smoke, check engine light with EGR flow codes, frequent DPF regens.
Cause: Accumulation of soot and carbon deposits restricting valve movement and blocking cooler passages, exacerbated by low-temperature operation.
Fix: Remove and clean EGR valve/cooler or replace if damaged; perform ECU adaptation and reset learned values after repair.
DPF regeneration issues
Symptoms: Check engine light with DPF soot load codes, reduced power, increased fuel consumption, frequent forced regenerations.
Cause: Incomplete passive regenerations due to predominantly short-distance driving, leading to excessive soot accumulation in the filter.
Fix: Perform forced regeneration via diagnostic tool; if unsuccessful, remove and clean or replace the DPF. Advise customer on driving habits to enable passive regeneration.
Injector seal and return line leaks
Symptoms: Fuel smell, hard starting (especially when hot), smoke from engine bay, fuel in engine oil, misfire codes.
Cause: Degraded copper injector seals or cracked plastic return line connectors allowing fuel to leak into cylinder head.
Fix: Replace all injector seals and return line kit with OEM parts; torque injectors to specification and clear adaptations.
Research Basis

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

RENAULT F9Q-870 FAQ Common Questions Answered

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

The F9Q 870 can be reliable with proper maintenance, particularly regarding the turbo actuator and DPF system. Its main weakness is the electronic turbo actuator, which can fail under sustained high temperatures. With regular highway driving, strict adherence to service schedules, and use of quality oil, these engines can exceed 150,000 km. The timing chain is generally robust.

The most frequent issues are electronic turbo actuator failure, EGR valve/carbon buildup, DPF regeneration problems, and leaking injector seals. These are well-documented in Renault service bulletins. Neglecting long drives for DPF regeneration and operating in high-heat conditions are primary causes of major failures.

The F9Q 870 1.9 dCi 130 engine was used exclusively in the Renault Scénic IV (2018-2021). It was specifically engineered to meet Euro 6 emissions standards for this model and was not used in the Mégane or other Renault platforms, which adopted different engine families or discontinued diesel variants.

Aftermarket ECU tuning is common on the F9Q-870 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 class. A Scénic IV 1.9 dCi 130 typically achieves 5.7 L/100km (city) and 4.2 L/100km (highway), or around 53 mpg UK combined. Real-world economy is heavily dependent on driving style and the frequency of DPF regenerations, which can temporarily increase consumption.

Yes. The F9Q 870 is an interference engine. If the timing chain were to fail (which is rare but possible with extreme neglect), the pistons would collide with the open valves, causing catastrophic internal engine damage requiring a full rebuild or replacement.

Renault specifies a 5W-40 synthetic oil meeting RN0700 or RN0710 standards. For DPF-equipped engines like the 870, using a low-ash (Low SAPS) oil is vital to prevent DPF clogging. Change intervals should not exceed 20,000 km or 12 months.

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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