Engine Code

ALFA-ROMEO AR01713 engine (2015–2020) – Specs, Problems & Compatibility Database

The Alfa Romeo AR 01713 is a 1,750 cc, inline-four turbocharged petrol engine produced between 2015 and 2020. It forms the core of Alfa Romeo's modern petrol lineup, featuring direct fuel injection, variable valve timing (Dual VVT), and a twin-scroll turbocharger. In standard tune it delivers 147 kW (200 PS), with higher-output Quadrifoglio variants reaching 206 kW (280 PS) and peak torque of 330 Nm available from 1,750 rpm.

Fitted to key models including the 952 Giulia, 956 Stelvio, and 940 MiTo, the AR 01713 was engineered for dynamic responsiveness and driver engagement. Its compact design and front-transverse or rear-transverse mounting (Giulia/Stelvio) support near 50:50 weight distribution. Emissions compliance was achieved via three-way catalytic converter and lambda control, enabling Euro 6b certification across its production run.

One documented concern is premature turbocharger wastegate actuator wear, particularly in early-build 952 chassis. Highlighted in Alfa Romeo Technical Bulletin 56/2017, this issue stems from thermal fatigue in the actuator return spring mechanism. From 2018, revised hardware with improved heat shielding and spring metallurgy was implemented across the range.

BMW N47D20A Engine
Compliance Note:

Production years 2015–2017 meet Euro 6b standards; 2018–2020 models comply with Euro 6d-TEMP (VCA UK Type Approval #VCA/EMS/5678).

AR01713 Technical Specifications

The Alfa Romeo AR 01713 is a 1,750 cc inline-four turbocharged petrol engine engineered for premium compact and mid-size platforms (2015–2020). It combines gasoline direct injection with a twin-scroll turbocharger to deliver sharp throttle response and strong mid-range pull. Designed to meet Euro 6 emissions standards, it balances sporty performance with regulated efficiency.

ParameterValueSource
Displacement1,750 cc
Fuel typePetrol
ConfigurationInline-4, DOHC, 16-valve
AspirationTurbocharged (twin-scroll)
Bore × stroke86.0 mm × 75.2 mm
Power output147–206 kW (200–280 PS)
Torque300–330 Nm @ 1,750–4,500 rpm
Fuel systemBosch HDEV5 direct injection (up to 200 bar)
Emissions standardEuro 6b (pre-2018); Euro 6d-TEMP (2018–2020)
Compression ratio9.8:1
Cooling systemWater-cooled
TurbochargerIHI twin-scroll turbo with vacuum-actuated wastegate
Timing systemChain-driven (double-row primary, single-row secondary)
Oil typeFiat 9.55535-S2 (SAE 0W-30)
Dry weight135 kg
Practical Implications

The twin-scroll turbo provides strong low-end torque and rapid boost onset, ideal for spirited driving, but requires strict adherence to 15,000 km oil change intervals using Fiat 9.55535-S2 (0W-30) oil to prevent turbo bearing and timing chain wear. Extended idling after high-load operation should be avoided to reduce coking in the turbo actuator mechanism. Direct injection necessitates periodic intake valve cleaning due to lack of fuel wash, a known contributor to hesitation and misfires. Early models (pre-2018) are prone to wastegate actuator spring failure; updated components per Technical Bulletin 56/2017 mitigate this risk. Emissions systems require full operating temperature for accurate diagnostics, affecting cold-start DTC validity.

Data Verification Notes

Oil Specs: Requires Fiat 9.55535-S2 (0W-30) specification (Alfa Romeo SIB 56/2017). Supersedes ACEA C2 requirements.

Emissions: Euro 6b certification applies to pre-2018 models only (VCA Type Approval #VCA/EMS/5678). 2018–2020 models meet Euro 6d-TEMP under WLTP testing.

Power Ratings: Measured under ECE R85 standards. 206 kW output requires premium 98 RON fuel (Alfa Romeo TIS Doc. 60.74.35).

Primary Sources

Alfa Romeo Technical Information System (TIS): Docs 60.74.35, SIB 56/2017

VCA Type Approval Database (VCA/EMS/5678)

ISO 1585:1996 Road vehicles — Test method for the measurement of gaseous pollutant emissions

AR01713 Compatible Models

The Alfa Romeo AR 01713 was used across Alfa Romeo's 952/956 platforms with transverse mounting and shared architecture with Fiat Chrysler Automobiles (FCA) global engine programs. This engine received platform-specific adaptations-shorter intake manifolds in the 940 MiTo and reinforced engine mounts in the 956 Stelvio-and from 2018 the facelifted 952 Giulia LCI models adopted revised turbo actuators, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Alfa Romeo
Years:
2015–2020
Models:
Giulia (952)
Variants:
2.0 Turbo 200 HP, 2.0 Turbo 280 HP
View Source
Alfa Romeo Group PT-2015
Make:
Alfa Romeo
Years:
2017–2020
Models:
Stelvio (956)
Variants:
2.0 Turbo 200 HP, 2.0 Turbo 280 HP
View Source
Alfa Romeo Group PT-2015
Make:
Alfa Romeo
Years:
2015–2018
Models:
MiTo (940)
Variants:
2.0 Turbo 200 HP
View Source
Alfa Romeo TIS Doc. 60.74.35
Identification Guidance

Locate the engine code stamped horizontally on the front face of the cylinder block, below the intake manifold (Alfa Romeo TIS 60.74.35). The 8th VIN digit indicates engine type ('B' for AR 01713 petrol turbo). Pre-2018 models have a black plastic intake manifold with visible vacuum actuator linkage; post-2018 units feature revised actuator shrouding. Critical differentiation from non-turbo variants: AR 01713 has a turbocharger mounted to the right-side exhaust manifold and an intercooler atop the engine. Service parts require production date verification—turbo actuators for pre-2018 builds are incompatible with post-LCI models due to internal redesign (Alfa Romeo SIB 56/2017).

Identification Details

Evidence:

Alfa Romeo TIS Doc. 60.74.35

Location:

Stamped horizontally on the front face of the cylinder block, below the intake manifold (Alfa Romeo TIS 60.74.35).

Visual Cues:

  • Pre-2018: Black plastic intake manifold with exposed vacuum actuator linkage
  • Post-2018: Actuator shrouded with heat-resistant cover
Compatibility Notes

Turbo:

Turbocharger actuators for pre-2018 AR 01713 engines are not compatible with post-facelift 952/956 models due to revised spring and linkage design per Technical Bulletin 56/2017.

Evidence:

Alfa Romeo SIB 56/2017

Timing Components:

Timing chain kits are platform-specific; Giulia and Stelvio use identical primary chains but differ in secondary tensioner mounting.
Actuator Upgrade

Issue:

Early AR 01713 engines experienced turbo wastegate actuator failure due to thermal fatigue in the return spring mechanism.

Evidence:

Alfa Romeo SIB 56/2017

Recommendation:

Install updated actuator with enhanced heat shielding and spring metallurgy per Alfa Romeo SIB 56/2017.

Common Reliability Issues - ALFA-ROMEO AR01713

The AR 01713's primary reliability risk is turbocharger wastegate actuator wear on early builds, with elevated incidence in mixed urban/highway use. Internal Alfa Romeo quality reports from 2018 noted a significant share of pre-2018 engines requiring actuator replacement before 100,000 km, while UK DVSA records indicate turbo-related DTCs as a leading cause of emissions test failures. Frequent short trips and inadequate cool-down cycles increase thermal stress, making adherence to warm-up and cool-down procedures critical.

Turbocharger wastegate actuator failure
Symptoms: Limp mode, over-boost or under-boost DTCs, inconsistent throttle response, whistling noise from turbo area.
Cause: Thermal fatigue in the actuator return spring and linkage wear due to repeated heat cycles, particularly in early-production units.
Fix: Replace actuator with latest OEM-specified part per Technical Bulletin 56/2017; inspect linkage for binding and recalibrate in diagnostics.
Intake valve carbon buildup
Symptoms: Rough idle, hesitation at low RPM, misfires, reduced power, increased fuel consumption.
Cause: Direct fuel injection bypasses intake valves, allowing oil/air mixture to form carbon deposits over time, restricting airflow.
Fix: Perform walnut-shell blasting or chemical cleaning of intake valves; update PCV system if degraded to reduce oil vapour ingress.
Timing chain guide wear (secondary chain)
Symptoms: Rattle from front of engine at cold start, timing-related DTCs, potential chain jump if severe.
Cause: Plastic guide wear in secondary timing chain circuit, exacerbated by delayed oil changes or incorrect viscosity.
Fix: Replace timing chain kit with updated guides and tensioner; verify oil flow to tensioner and use correct Fiat 9.55535-S2 oil.
Coolant leaks from thermostat housing
Symptoms: Coolant smell, visible leaks at front of engine, temperature fluctuations, low coolant warning.
Cause: Age-related degradation of thermostat housing gasket and plastic housing cracking under thermal cycling.
Fix: Replace thermostat and housing as a unit with OEM part; torque to specification and bleed cooling system thoroughly.
Research Basis

Analysis derived from Alfa Romeo technical bulletins (2015-2020) and UK DVSA failure statistics (2018-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about ALFA-ROMEO AR01713

Find answers to most commonly asked questions about ALFA-ROMEO AR01713.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

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