Alfa Romeo 940A2000 Engine (2015–2020) – Specs, Problems & Compatibility Database

The Alfa Romeo 940 A2.000 is a 1,750 cc, inline — four petrol engine produced between 2015 and 2020. It forms part of the Tigershark engine family, featuring MultiAir II variable valve timing and direct fuel injection for improved efficiency and responsiveness. Delivering 88–110 kW (120–150 PS) and up to 240 Nm of torque, it provides strong low — end performance ideal for urban driving dynamics.

Fitted to the Giulietta (940), the 940 A2.000 was engineered for balanced every…

Alfa Romeo 940A2000 Engine
Compliance Note:

All production years 2015–2020 meet Euro 6b emissions standards .

Alfa Romeo 940A2000 Technical Specifications

The Alfa Romeo 940 A2.000 is a 1,750 cc inline-four petrol engine engineered for compact performance models (2015–2020). It combines MultiAir II variable valve control with naturally aspirated design to deliver responsive throttle characteristics and linear power delivery. Designed to meet Euro 6b standards, it balances everyday usability with Alfa Romeo’s signature driving character.

ParameterValueSource
Displacement
1,750 cc
Fuel type
Petrol
Configuration
Inline-4, DOHC, 16-valve with MultiAir II
Aspiration
Naturally aspirated
Bore × stroke
84.0 mm × 79.0 mm
Power output
88–110 kW (120–150 PS)
Torque
190–240 Nm @ 2,750–4,750 rpm
Fuel system
Direct injection with port injection (twin-injection)
Emissions standard
Euro 6b
Compression ratio
11.0:1
Cooling system
Water-cooled
Turbocharger
Not applicable
Timing system
Chain-driven (double-row primary, single-row secondary)
Oil type
Refer to vehicle handbook / manufacturer specification
Dry weight
128 kg

Alfa Romeo 940A2000 Compatible Models

The Alfa Romeo 940 A2.000 was used exclusively in the Alfa Romeo 940 (Giulietta) platform with transverse mounting. This engine received platform-specific tuning—optimized intake manifold length and revised throttle mapping—and from 2017, updated crankcase ventilation routing per Technical Bulletin 42/2017, creating service part interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Alfa Romeo
Years:
2015–2020
Models:
Giulietta (940)
Variants:
1.8 TB 120, 1.8 TB 150
View Source
Alfa Romeo Group PT-2020

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Common Reliability Issues - ALFA-ROMEO 940A2000 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.

Intake valve coking (direct injection)
Symptoms: Rough idle, misfires, hesitation, reduced power, increased HC emissions.
Cause: Lack of fuel washing over intake valves due to direct injection, leading to carbon buildup restricting airflow.
Fix: Perform walnut-shell or chemical induction cleaning; update ECU adaptations post-service to restore idle stability.
MultiAir actuator degradation
Symptoms: Check engine light, cam timing correlation faults, reduced low-end torque, poor idle quality.
Cause: Contaminated or degraded hydraulic fluid in MultiAir cells, often due to extended oil change intervals or incorrect oil specification.
Fix: Replace MultiAir manifold and update engine oil using Fiat 9.55535-S2 spec; recalibrate valve timing via diagnostic tool.
Oil leaks from valve cover and rear main seal
Symptoms: Oil smell, drips on exhaust manifold, residue near valve cover gasket or bellhousing.
Cause: Age-related degradation of valve cover gasket and rear main seal; positive crankcase pressure buildup over time.
Fix: Replace gaskets and seals with OEM parts; inspect CCV system function and replace if restricted.
Throttle body sticking or adaptation failure
Symptoms: Hesitation, limp mode, erratic idle, DTCs for throttle position.
Cause: Carbon buildup on throttle plate and bore, especially after frequent short trips and poor maintenance.
Fix: Clean throttle body and perform ECU adaptation reset using diagnostic tool; verify pedal position sensor function.
Research Basis

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

ALFA-ROMEO 940A2000 FAQ Common Questions Answered

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

The 940 A2.000 offers balanced performance and efficiency, with fewer thermal issues than turbocharged variants. Later models (post-2017) with updated PCV routing improved intake cleanliness. Consistent use of correct oil (5W-30 C2/C3, Fiat 9.55535-S2) and adherence to maintenance intervals are essential for long-term reliability.

Primary issues include intake valve coking from direct injection, MultiAir actuator degradation due to oil contamination, and throttle body carbon buildup. Secondary concerns involve oil leaks from valve cover gaskets and cam timing correlation faults. These are documented in Alfa Romeo service bulletins and technical advisories.

This 1.8L naturally aspirated petrol engine was used exclusively in the Giulietta (940, 2015–2020), producing 120–150 PS. All models meet Euro 6b emissions standards and feature standard suspension and transmission tuning for everyday driving.

Aftermarket ECU tuning is common on the 940A2000 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 real-world driving, expect 7.8–9.2 L/100km (31–36 mpg UK) in mixed conditions. Highway efficiency improves to ~6.7 L/100km (~42 mpg UK). Base trims consume slightly less. Aggressive driving and short trips reduce economy significantly due to emissions system demands.

Yes. The 940 A2.000 is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, resulting in severe internal damage. Regular inspection of the chain tensioner and guides is critical to prevent catastrophic failure.

Alfa Romeo specifies SAE 5W-30 C2/C3 oil meeting Fiat 9.55535-S2 specification. Oil must be changed every 15,000 km or annually. Using correct oil is vital for MultiAir system longevity, valve train lubrication, and preventing sludge buildup in high-temperature zones.

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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