The Fiat 937 A4.000 is a 1,368 cc, inline‑four turbocharged petrol engine produced between 2007 and 2011. 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 Grande Punto, Linea, and 500 Abarth, the 937 A4.000 was engineered for spirited performance and agile…
Production years 2007–2011 meet Euro 4 standards .
The Fiat 937 A4.000 is a 1,368 cc inline‑four turbocharged petrol engine engineered for compact performance models (2007-2011). It combines MultiAir valve control with direct injection to deliver responsive power and efficient operation. Designed to meet Euro 4 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 | 103–119 kW (140–160 PS) | |
Torque | 206–230 Nm @ 2,000–4,000 rpm | |
Fuel system | Gasoline direct injection (GDI) | |
Emissions standard | Euro 4 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single turbocharger (Garrett) | |
Timing system | Chain‑driven | |
Oil type | Fiat 9.55535‑S1 (SAE 5W‑40) | |
Dry weight | 105 kg |
The Fiat 937 A4.000 was used across Fiat's Small platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the 500 Abarth for track use-and from 2009 minor ECU revisions for emissions, creating no significant interchange limits. All adaptations are documented in OEM technical bulletins.
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The 937 A4.000's primary reliability consideration is carbon buildup on intake valves, inherent to its direct injection design. Fiat service data indicates this is a maintenance item rather than a premature failure, while owner feedback often notes it around 80,000 km. Use of correct fuel grade and periodic cleaning make long-term reliability excellent.
Analysis derived from Fiat technical bulletins (2008-2012) and owner-reported data aggregated from official dealer networks. Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
Yes, with proper maintenance. Its main quirk is intake valve carbon buildup, a common trait of direct injection engines. Addressing this with periodic cleaning, using the correct 5W-40 oil, and premium fuel ensures excellent long-term reliability and performance.
The most common issues are carbon buildup on intake valves, turbo actuator failures, and occasional problems with the sophisticated MultiAir valve control system. High-pressure fuel pump failure is less common but possible. All are well-documented in Fiat service information.
This 1.4L turbo petrol engine was used in the Grande Punto (T-Jet 120/150), Linea (T-Jet 120), and the iconic 500 Abarth (135/160 PS). It was the performance engine for Fiat's small car lineup during its production run from 2007 to 2011.
Aftermarket ECU tuning is common on the 937-A4-000 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.
Real-world economy varies by model and tune. Expect ~7.5-8.5 L/100km (33-38 mpg UK) in a Grande Punto T-Jet 120, and ~8.0-9.5 L/100km (30-35 mpg UK) in a 500 Abarth 160 PS. Aggressive driving will significantly increase consumption.
Yes. Like virtually all modern DOHC engines, the 937 A4.000 is an interference design. If the timing chain were to fail catastrophically, valve and piston collision would cause severe internal engine damage. Fortunately, the chain is very robust.
Fiat mandates a specific 5W-40 synthetic oil meeting the Fiat 9.55535-S1 (or newer 9.55535-DS1) specification. Using the correct oil is critical for protecting the MultiAir hydraulic system and turbocharger. Change intervals should not exceed 15,000 km.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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.
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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