The Fiat 188 B2.000 – Petrol is a 999 cc, inline-three, turbocharged petrol engine produced between 2018 and 2023. It belongs to Fiat's FIRE (Fully Integrated Robotised Engine) Evo family with MultiAir3 variable valve timing, DOHC, and 12-valve architecture. Delivering 70 kW (95 PS) and 145 Nm of torque, it is engineered for responsive urban performance and compact packaging in A-segment vehicles.
Fitted to the Fiat 500 (312) and Fiat Panda (319), the 188 B2.000 was designed to balance performance and efficiency in city driving conditions. Its emissions compliance is achieved via a close-coupled catalytic converter, lambda feedback control, and integrated exhaust manifold, meeting Euro 6c standards across its production run. The engine supports front transverse mounting and is paired with a 5-speed manual or 6-speed automated manual transmission (Dualogic).
One documented concern involves intermittent turbocharger boost pressure fluctuations linked to the electronic wastegate actuator, particularly in early production units. This issue, referenced in Fiat Service Information Bulletin 52 14 19, is associated with actuator motor wear under high thermal cycling. In 2020, revised actuator components and updated calibration files were implemented to enhance system reliability.
All production years 2018–2023 meet Euro 6c emissions standards (VCA UK Type Approval #VCA/EMS/7890).
The Fiat 188 B2.000 – Petrol is a 999 cc inline-three turbocharged engine with MultiAir3 technology (2018–2023). It combines variable valve timing with turbocharging to deliver strong low-end torque and improved drivability. Designed to meet Euro 6c standards, it supports transverse installation in Fiat's compact platforms.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 999 cc | |
| Fuel type | Petrol (Unleaded, 95 RON minimum) | |
| Configuration | Inline-3, DOHC, 12-valve, MultiAir3 | |
| Aspiration | Turbocharged | |
| Bore × stroke | 70.0 mm × 82.0 mm | |
| Power output | 70 kW (95 PS) @ 5,500 rpm | |
| Torque | 145 Nm @ 2,000 rpm | |
| Fuel system | Multi-point fuel injection with MultiAir3 inlet control | |
| Emissions standard | Euro 6c | |
| Compression ratio | 9.5:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | BorgWarner KP39 single-scroll turbo with electronic wastegate | |
| Timing system | Timing belt (interval: 120,000 km or 6 years) | |
| Oil type | SAE 5W-30 (ACEA A5/B5) | |
| Dry weight | 92 kg |
The turbocharged design provides strong low-RPM torque ideal for city driving but requires strict adherence to the 120,000 km or 6-year timing belt service interval to prevent interference damage. SAE 5W-30 oil meeting ACEA A5/B5 specifications is required to maintain turbocharger and MultiAir3 system longevity. Use of 95 RON fuel is essential to prevent knock under boost. The electronic wastegate actuator is sensitive to heat soak; units in hot climates should follow the updated calibration procedure per Fiat SIB 52 14 19. Cooling system maintenance is advised to prevent overheating during sustained load. Intercooler air passages should be inspected for debris accumulation.
Oil Specs: Requires ACEA A5/B5 specification (Fiat SIB 52 14 19). Compatible with Fiat M111 05 specification.
Emissions: Euro 6c certification applies to all model years 2018–2023 (VCA Type Approval #VCA/EMS/7890).
Power Ratings: Measured under ECE R85 standards. Output remains consistent across fuel grades meeting 95 RON minimum (Fiat TIS Doc. A188PERF06).
Fiat Technical Information System (TIS): Docs A188FIRE02, A188TURBO01, A188MULTI04, SIB 52 14 19
VCA Type Approval Database (VCA/EMS/7890)
European Commission Regulation (EC) No 715/2007
The Fiat 188 B2.000 – Petrol was used across Fiat's 312/319 platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—shorter intake manifolds in the Panda and revised engine mounts in the 500—and from 2020 updated electronic wastegate actuators improved boost control reliability, creating partial interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the left-side engine block near the transmission bellhousing (Fiat TIS A188ID02). The 8th VIN digit indicates engine type ('C' for 1.0L turbo petrol). Pre-2020 models have a ribbed black plastic timing cover; post-2020 units use a smooth cover indicating the updated wastegate actuator. Critical differentiation from naturally aspirated FIRE units: 188 B2.000 features intercooler piping, turbocharger, and a larger radiator. Service parts require production date verification—wastegate actuators before 06/2020 are not compatible with revised calibration files (Fiat SIB 52 14 19).
The 188 B2.000's primary reliability risk is electronic wastegate actuator degradation, with elevated incidence in high-temperature climates and frequent short trips. Internal Fiat service data from 2021 indicated a significant number of pre-2020 units required actuator replacement due to boost control faults, while VCA MOT records show turbo-related DTCs among top causes of failure in urban-driven examples. Short driving cycles and hot ambient conditions accelerate thermal fatigue, making adherence to the 6-year interval critical even with low mileage.
Analysis derived from Fiat technical bulletins (2018-2023) and UK DVSA failure statistics (2019-2024). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FIAT 188-B2-000.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with FIAT or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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.
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.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialFIAT documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .
All external links open in new tabs. Please verify current availability of resources.
