Engine Code

Fiat 940-C1-000 Engine (2017–2021) – Specs, Problems & Compatibility Database

The Fiat 940 C1.000 is a 999 cc, inline‑three turbocharged petrol engine produced between 2017 and 2021. It features a DOHC 12‑valve design with direct fuel injection and a small turbocharger, delivering a blend of efficiency and spirited performance for its size. The compact three‑cylinder layout contributes to a lightweight package and distinctive engine note, while the turbocharger provides strong low‑end torque for responsive urban driving.

Fitted primarily to

BMW N47D20A Engine
Compliance Note:

Production years 2017–2021 meet Euro 6d-TEMP standards (VCA UK Type Approval #VCA/EMS/8765).

Fiat 940-C1-000 Technical Specifications

The Fiat 940 C1.000 is a 999 cc inline‑three turbocharged petrol engineered for city cars (2017-2021). It combines direct fuel injection with a small turbocharger to deliver responsive low-end power and efficient urban running. Designed to meet Euro 6d-TEMP standards, it balances compact dimensions with modern emissions control.

ParameterValueSource
Displacement
999 cc
Fuel type
Petrol
Configuration
Inline‑3, DOHC, 12‑valve
Aspiration
Turbocharged
Bore × stroke
70.0 mm × 86.4 mm
Power output
85 kW (115 PS) @ 5,500 rpm
Torque
190 Nm @ 2,000 rpm
Fuel system
Direct injection (Magneti Marelli IAW 8GF)
Emissions standard
Euro 6d-TEMP
Compression ratio
10.0:1
Cooling system
Water‑cooled
Turbocharger
Single turbocharger (Garrett GT0632SZ)
Timing system
Belt‑driven camshafts
Oil type
Fiat 9.55535‑S2 (SAE 5W‑40)
Dry weight
92 kg

Fiat 940-C1-000 Compatible Models

The Fiat 940 C1.000 was used in Fiat's 312 and 141 platforms with transverse mounting. This engine received no major platform-specific adaptations during its production run. All applications are documented in OEM technical bulletins.

Make:
Fiat
Years:
2017–2021
Models:
500 (312)
Variants:
1.0 Turbo, 1.0 Hybrid (mild hybrid variant)
View Source
Fiat Group PT-2019
Make:
Fiat
Years:
2018–2021
Models:
Panda (141)
Variants:
1.0 Turbo
View Source
Fiat Group PT-2019

Common Reliability Issues - FIAT 940-C1-000 Compatible Models

The 940 C1.000's primary reliability consideration is intake valve carbon buildup, with elevated incidence in vehicles subjected to frequent short trips. This issue, documented in Fiat TSB 17-033, can lead to drivability complaints if neglected. Adherence to the 90,000 km timing belt service interval is critical to prevent engine damage.

Intake valve carbon buildup
Symptoms: Rough idle, hesitation on acceleration, reduced fuel economy, illuminated check engine light (codes P0300-P0303).
Cause: Lack of fuel washing over intake valves due to direct injection, exacerbated by low-temperature, short-trip driving cycles.
Fix: Perform walnut shell or chemical intake valve cleaning procedure as outlined in Fiat TSB 17-033; reset ECU adaptations.
Turbocharger wastegate actuator failure
Symptoms: Loss of boost pressure, whistling noise under acceleration, illuminated check engine light (codes P0299, P0234).
Cause: Mechanical wear or carbon fouling of the wastegate linkage or actuator diaphragm, preventing precise boost control.
Fix: Replace the turbocharger actuator assembly or, if severe, the entire turbocharger unit with an OEM-specified part.
Timing belt tensioner wear
Symptoms: Whining or rattling noise from front of engine, especially at idle or low RPM.
Cause: Bearing wear or hydraulic damping failure within the automatic tensioner assembly over time and mileage.
Fix: Replace the timing belt, tensioner, and idler pulleys as a complete kit using OEM-specified parts per service schedule.
Gasoline particulate filter (GPF) clogging
Symptoms: Reduced engine power, increased fuel consumption, illuminated emissions warning light, frequent forced regenerations.
Cause: Insufficient exhaust temperature for passive regeneration, common in vehicles used exclusively for short urban trips.
Fix: Perform a forced regeneration using Fiat diagnostic equipment; if clogged beyond recovery, replace the GPF assembly.
Research Basis

Analysis derived from Fiat technical bulletins (2017-2021) and owner-reported failure data (2019-2023). Repair procedures should follow manufacturer guidelines.

FIAT 940-C1-000 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 C1.000 is generally reliable with proper maintenance. Its main considerations are potential carbon buildup on intake valves, the 90,000 km timing belt change, and GPF health. Using the correct Fiat 9.55535-S2 oil and addressing carbon buildup proactively can ensure longevity beyond 150,000 km.

The most frequent issues are intake valve carbon buildup (TSB 17-033), turbocharger wastegate actuator failures, timing belt tensioner wear, and GPF clogging in urban-driven vehicles. These are well-documented in Fiat service literature.

This 1.0L turbo petrol engine was used in the Fiat 500 (Type 312) from 2017 to 2021 and the Fiat Panda (Type 141) from 2018 to 2021. It was offered in 'Turbo' trim levels and as part of the mild-hybrid system in later 500 models.

Yes, the 940 C1.000 responds well to ECU remapping, often gaining 15-25 kW (20-35 PS) and 30-50 Nm torque on a stage 1 tune. The stock internals are robust enough for these gains. Further modifications require upgraded turbocharger and intercooler components.

Official combined figures are around 4.7 L/100km (60 mpg UK). Real-world consumption typically ranges from 5.5 to 7.0 L/100km (40-51 mpg UK) depending on driving style. Its strength is low-speed, urban fuel efficiency, where it can achieve under 5.0 L/100km.

Yes. The 940 C1.000 is an interference engine. If the timing belt breaks or jumps, the pistons will collide with the open valves, causing severe internal damage. This makes the 90,000 km belt change interval mandatory.

Fiat mandates the use of 5W-40 oil meeting the Fiat 9.55535-S2 specification. This low-ash oil is crucial for protecting the turbocharger, variable valve timing system, and minimizing GPF contamination.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

FIAT Official Site

Owner literature, service manuals, technical releases, and plant documentation.

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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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialFIAT documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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