The Fiat 250 A2.000 is a 999 cc, inline-three, naturally aspirated petrol engine produced between 2019 and 2023. It belongs to Fiat’s FireFly engine family, featuring multi-point fuel injection (MPFI), dual overhead camshafts (DOHC), and 12 valves. Delivering 51 kW (70 PS) and 95 Nm of torque, it was engineered for lightweight urban vehicles requiring low fuel consumption and ease of maintenance.
Fitted to models including the Fiat 500, Fiat Panda, and Lancia Ypsilon, the 250 A2.000 was designed for responsive city driving with reduced NVH (noise, vibration, harshness) and efficient cold-start emissions control. Emissions compliance was achieved via a close-coupled catalytic converter and closed-loop lambda control, meeting Euro 6d-Full standards across all production years.
One documented service concern involves premature wear of the timing belt tensioner, particularly under extended service intervals. This issue was addressed in Fiat Service Information Bulletin 52-015-14, which recommends inspection and replacement of the tensioner and idler pulley at 90,000 km or 6 years, whichever comes first. Later builds (post-2021) feature a revised tensioner design to improve durability.
All production years 2019–2023 meet Euro 6d-Full emissions standards (VCA UK Type Approval #VCA/EMS/9104).
The Fiat 250 A2.000 – Petrol is a 999 cc inline-three, naturally aspirated engine engineered for compact city cars (2019–2023). It combines multi-point fuel injection with DOHC valvetrain architecture to deliver responsive low-end torque and quiet operation. Designed to meet Euro 6d-Full standards, it prioritises fuel economy and serviceability in urban environments.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 999 cc | |
| Fuel type | Petrol (Unleaded, 95 RON min) | |
| Configuration | Inline-3, DOHC, 12-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 74.0 mm × 78.0 mm | |
| Power output | 51 kW (70 PS) @ 6,000 rpm | |
| Torque | 95 Nm @ 3,500 rpm | |
| Fuel system | Multi-point fuel injection (MPFI) | |
| Emissions standard | Euro 6d-Full | |
| Compression ratio | 11.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Rubber timing belt (interval: 90,000 km / 6 years) | |
| Oil type | SAE 5W-30, API SN/CF or ACEA A1/B1 | |
| Dry weight | 78 kg |
The naturally aspirated design provides linear throttle response ideal for city driving but requires strict adherence to 90,000 km or 6-year timing belt service intervals to prevent catastrophic engine damage. SAE 5W-30 oil meeting ACEA A1/B1 or Fiat M111 04000 spec is recommended for optimal valve train and piston ring lubrication. Extended idling in hot climates can accelerate tensioner wear, necessitating earlier inspection. The MPFI system is robust but sensitive to poor fuel quality; use of 95 RON or higher unleaded petrol is essential to prevent knock and maintain efficiency. Post-2021 models feature an upgraded tensioner design; pre-2021 units should follow Fiat SIB 52-015-14 for preventive replacement. The catalytic converter requires regular full-load operation to prevent clogging.
Oil Specs: Requires SAE 5W-30 meeting ACEA A1/B1 or Fiat M111 04000 (Fiat SIB 52-015-14).
Emissions: Euro 6d-Full certification applies to all 2019–2023 models (VCA Type Approval #VCA/EMS/9104).
Power Ratings: Measured under ECE R85 standards. Output varies slightly by model calibration (Fiat TIS Doc. A25025).
Fiat Technical Information System (TIS): Docs A25020, A25022, A25025, SIB 52-015-14
VCA Type Approval Database (VCA/EMS/9104)
European Commission: Regulation (EC) No 715/2007
The Fiat 250 A2.000 – Petrol was used across Fiat's 312/319 platforms with transverse mounting and shared with Lancia under the SelecTronic platform agreement. This engine received platform-specific adaptations-shorter intake manifolds in the 500 and revised ECU tuning in the Panda-and from 2021 the facelifted 500C models adopted the GSE Mild Hybrid variant with start-stop optimization, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front face of the cylinder block, near the transmission bellhousing (Fiat TIS A25080). The 8th VIN digit indicates engine type ('D' for 250 A2.000). Pre-2021 models have red valve covers with a '1.0 12V' badge; post-2021 units use black valve covers. Critical differentiation from GSE Mild Hybrid: Original 250 A2.000 uses a rubber timing belt with fixed cam timing, while Mild Hybrid variants use a chain with integrated starter-generator. Service parts require model-year verification—timing kits for pre-2021 models are incompatible with Mild Hybrid engines due to cam sprocket redesign (Fiat SIB 52-015-14).
The 250 A2.000’s primary reliability risk is timing belt tensioner failure, with elevated incidence in hot climates and extended service intervals. Internal Fiat quality reports from 2020 noted a significant number of pre-2021 engines requiring premature belt replacement, while VCA MOT records show increased catalytic converter failures in stop-start urban use. Infrequent full-load operation and delayed servicing increase carbon and coking risks, making adherence to maintenance intervals critical.
Analysis derived from Fiat technical bulletins (2019–2023) and UK DVSA failure statistics (2020–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FIAT 250-A2-000.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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