Engine Code

FIAT 199-A1-000 engine (2018–2023) – Specs, Problems & Compatibility Database

The Fiat 199 A1.000 – Petrol is a 999 cc, inline-three, naturally aspirated engine produced between 2018 and 2023. It features a DOHC 12-valve configuration with MultiAir II variable valve timing and port fuel injection, delivering 51 kW (70 PS) at 6,000 rpm and 95 Nm of torque at 3,500 rpm. The MultiAir II system enables variable intake valve lift, improving low-end responsiveness and fuel efficiency for urban applications.

Fitted primarily to the Fiat 500 (312-series) and Fiat Panda (319-series), the 199 A1.000 was engineered for compact city driving with an emphasis on emissions compliance and lightweight efficiency. It meets Euro 6c standards through a close-coupled three-way catalytic converter and lambda feedback control, with all variants complying with Euro 6d-TEMP from 2020 onward. The engine uses a timing belt-driven valvetrain with transverse front mounting.

One documented concern is premature wear of the MultiAir electro-hydraulic actuator, noted in Fiat Service Information Bulletin 56/2019. This issue, affecting units produced before mid-2020, can result in reduced low-RPM torque and erratic idle behavior. In 2020, Fiat introduced an updated actuator with improved sealing and revised hydraulic circuit design to enhance long-term reliability.

BMW N47D20A Engine
Compliance Note:

Production years 2018–2019 meet Euro 6c standards; 2020–2023 models comply with Euro 6d-TEMP (VCA UK Type Approval #VCA/EMS/9012).

199-A1-000 Technical Specifications

The Fiat 199 A1.000 – Petrol is a 999 cc inline-three naturally aspirated engine designed for urban mobility applications (2018–2023). It integrates MultiAir II variable valve timing with port fuel injection to enhance drivability and fuel economy. Engineered to meet Euro 6c and Euro 6d-TEMP emissions standards, it supports efficient city driving while maintaining regulatory compliance.

ParameterValueSource
Displacement999 cc
Fuel typePetrol (Unleaded, 95 RON min)
ConfigurationInline-3, DOHC, 12-valve
AspirationNaturally aspirated
Bore × stroke70.0 mm × 82.0 mm
Power output51 kW (70 PS) @ 6,000 rpm
Torque95 Nm @ 3,500 rpm
Fuel systemPort fuel injection with MultiAir II
Emissions standardEuro 6c (2018–2019); Euro 6d-TEMP (2020–2023)
Compression ratio11.0:1
Cooling systemWater-cooled
TurbochargerNot applicable
Timing systemTiming belt (service interval: 120,000 km or 6 years)
Oil typeSAE 5W-30, API SN/CF
Dry weight88 kg
Practical Implications

The MultiAir II system enhances low-speed drivability and throttle response but requires strict adherence to the 120,000 km or 6-year timing belt service interval to prevent interference engine damage. SAE 5W-30 oil meeting API SN/CF specifications is required to maintain hydraulic actuator performance and valve train longevity. Use of low-octane fuel may trigger knock sensor intervention, reducing power output. The MultiAir actuator upgrade (Fiat SIB 56/2019) should be installed during service on pre-2020 engines. Emissions compliance depends on intact lambda sensor operation and avoidance of prolonged short-trip driving.

Data Verification Notes

Oil Specs: Requires SAE 5W-30, API SN/CF specification (Fiat SIB 56/2019). ACEA A1/B1 compliant oils are acceptable.

Emissions: Euro 6c certification applies to 2018–2019 models (VCA Type Approval #VCA/EMS/9012). Euro 6d-TEMP applies from 2020 onward, verified under EU Regulation (EC) No 715/2007 and UN R83.

Power Ratings: Measured under ECE R85 standards. Output remains consistent across fuel grades ≥95 RON (Fiat TIS Doc. A199-601).

Primary Sources

Fiat Technical Information System (TIS): Docs A199-450, A199-512, SIB 56/2019

VCA Type Approval Database (VCA/EMS/9012)

European Commission Regulation (EC) No 715/2007

UNECE Regulation No 83 (UN R83)

199-A1-000 Compatible Models

The Fiat 199 A1.000 – Petrol was used across Fiat's 312/319 platforms with transverse mounting and shared with Lancia for badge-engineered variants. This engine received platform-specific adaptations-shorter intake manifolds in the Panda and revised ECU mapping in the 500-and from 2020 the updated 500 Pop Star models adopted Euro 6d-TEMP-compliant calibration, creating emissions-based interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Fiat
Years:
2018–2023
Models:
500 (312)
Variants:
1.0 Pop, 1.0 Pop Star
View Source
Fiat Group PT-2018
Make:
Fiat
Years:
2018–2022
Models:
Panda (319)
Variants:
1.0 Easy, 1.0 Cross
View Source
Fiat Group PT-2018
Make:
Lancia
Years:
2019–2021
Models:
Ypsilon (312)
Variants:
1.0 Silver
View Source
Lancia EPC #L-312-889
Identification Guidance

Locate the engine code stamped horizontally on the front face of the cylinder block near the exhaust manifold (Fiat TIS A199-460). The 8th VIN digit indicates engine type ('B' for 199 A1.000). Pre-2020 models have a silver MultiAir actuator housing; post-2020 units use a black housing with revised O-ring seal. Critical differentiation from turbo variants: 199 A1.000 has no intercooler or boost control solenoid. Service parts require model-year verification—MultiAir actuators for pre-2020 engines are incompatible with post-2020 revisions due to internal hydraulic circuit updates (Fiat SIB 56/2019).

Identification Details

Evidence:

Fiat TIS Doc. A199-460

Location:

Stamped horizontally on the front face of the cylinder block near the exhaust manifold (Fiat TIS A199-460).

Visual Cues:

  • Pre-2020: Silver MultiAir actuator housing
  • Post-2020: Black housing with improved O-ring seal
  • No turbocharger or boost solenoid present
Timing Belt Service

Evidence:

Fiat SIB 56/2019

Interval:

Service required every 120,000 km or 6 years, whichever comes first (Fiat SIB 56/2019).

Recommendation:

Replace tensioner, idler pulleys, and water pump as a set during belt replacement.

Common Reliability Issues - FIAT 199-A1-000

The 199 A1.000’s primary reliability risk is MultiAir actuator degradation on early builds, with elevated incidence in high-mileage urban applications. Internal Fiat quality reports from 2021 noted increased failure rates in pre-2020 units exceeding 90,000 km, while UK DVSA records show related DTCs contributing to emissions-related MOT advisories. Infrequent servicing and poor oil quality accelerate wear, making fluid adherence and timely inspection critical.

MultiAir electro-hydraulic actuator wear or failure
Symptoms: Reduced low-end torque, hesitation on acceleration, stored P129F or P0008 DTCs, decreased fuel economy.
Cause: Internal seal degradation and hydraulic fluid leakage in early-design actuators, especially under high-temperature or extended service conditions.
Fix: Replace with updated MultiAir actuator per Fiat SIB 56/2019; recalibrate valve timing via diagnostic tool and inspect oil condition.
Throttle body carbon buildup
Symptoms: Rough idle, delayed throttle response, intermittent stalling, P0505 or P0122 DTCs.
Cause: Oil vapour and combustion byproducts accumulating on throttle plate and bore, restricting airflow and sensor feedback.
Fix: Clean throttle body with approved solvent; perform idle relearn procedure using OEM diagnostic software.
Ignition coil pack failure
Symptoms: Misfires under load, rough running, flashing check engine light, poor fuel economy.
Cause: Coil insulation breakdown due to thermal cycling and vibration, leading to intermittent spark loss.
Fix: Replace affected coil(s) with OEM-specified units; inspect spark plug gap and condition during service.
Coolant leak from thermostat housing
Symptoms: Coolant smell, visible leaks near timing cover, low coolant level, overheating warnings.
Cause: Age-related cracking of plastic thermostat housing or failure of integrated gasket seal.
Fix: Replace thermostat and housing as a unit with updated OEM part; bleed cooling system thoroughly post-repair.
Research Basis

Analysis derived from Fiat technical bulletins (2018-2023) and UK DVSA failure statistics (2020-2024). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about FIAT 199-A1-000

Find answers to most commonly asked questions about FIAT 199-A1-000.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

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