The Fiat 939 A3.000 is a 1,368 cc, inline‑four turbocharged petrol engine produced between 2010 and 2016. It features a DOHC 16‑valve layout with MultiAir electro‑hydraulic valve control and direct fuel injection. This technology enables precise air management for improved fuel efficiency and throttle response without sacrificing power.
Fitted to models such as the Punto Evo, 500L, and 500X, the 939 A3.000 was engineered for responsive performance and versatile driving. Emissions compliance was achieved through advanced engine management and a close‑coupled catalytic converter, meeting Euro 5 standards.
One documented concern is potential failure of the high-pressure fuel pump, noted in Fiat Technical Service Bulletin TSB‑12‑045. This issue, often linked to fuel contamination or extended service intervals, can lead to a no-start condition. Later production runs incorporated revised pump internals for improved durability.
Production years 2010–2016 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/6789).
The Fiat 939 A3.000 is a 1,368 cc inline‑four turbocharged petrol engine engineered for compact and crossover models (2010-2016). It combines MultiAir valve control with direct injection to deliver responsive power and efficient operation. Designed to meet Euro 5 standards, it balances sporty character with everyday usability.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,368 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 72.0 mm × 84.0 mm | |
| Power output | 90–103 kW (122–140 PS) | |
| Torque | 200–230 Nm @ 2,000–4,000 rpm | |
| Fuel system | Gasoline direct injection (GDI) | |
| Emissions standard | Euro 5 | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single turbocharger (IHI or Garrett) | |
| Timing system | Chain‑driven | |
| Oil type | Fiat 9.55535‑DS1 (SAE 5W‑40) | |
| Dry weight | 107 kg |
The MultiAir system provides crisp throttle response ideal for urban agility but requires adherence to 15,000 km oil change intervals using Fiat 9.55535-DS1 (5W-40) to protect the hydraulic actuators. Premium unleaded (95 RON minimum) is critical due to direct injection and turbocharging to prevent knock and fuel pump strain. The high-pressure fuel pump, subject to TSB 12-045, is sensitive to fuel quality; using reputable stations and avoiding running the tank very low is advised. The chain-driven timing system is generally robust but should be inspected for tensioner wear during major services.
Oil Specs: Requires Fiat 9.55535-DS1 (5W-40) specification (Fiat Workshop Manual 939A).
Emissions: Euro 5 certification applies to all 2010–2016 models (VCA Type Approval #VCA/EMS/6789).
Power Ratings: Measured under ECE R85 standards. 103 kW output requires 95 RON fuel (Fiat Group PT-2015).
Fiat Technical Information System: Docs 939A, TSB 12-045
VCA Type Approval Database (VCA/EMS/6789)
UNECE Regulation No. 85 (Engine Power Measurement)
The Fiat 939 A3.000 was used across Fiat's Small platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the 500X for AWD variants-and minor ECU revisions for emissions from 2013, creating no significant interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block, near the gearbox flange (Fiat Workshop Manual 939A). The 8th VIN digit often corresponds to engine displacement/type ('B' for 1.4L T-Jet in many markets). Visually, the engine features a prominent black plastic intake manifold with "MultiAir" branding and a single turbocharger on the exhaust manifold. Critical differentiation from non-turbo 1.4 engines: Presence of intercooler and turbo plumbing. Service parts are generally consistent across variants, but ECU maps differ significantly between 120 PS and 140 PS versions.
The 939 A3.000's primary reliability consideration is potential high-pressure fuel pump failure, with elevated incidence in vehicles using poor-quality fuel. Fiat TSB 12-045 documents this issue, while owner feedback often notes it around 80,000 km. Adherence to correct fuel grade and service intervals make long-term reliability excellent.
Analysis derived from Fiat technical bulletins (2010-2016) and owner-reported data aggregated from official dealer networks. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FIAT 939-A3-000.
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Regulation (EC) No 715/2007
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