Engine Code

Lancia 198-A8-000 Engine (2004–2010) – Specs, Problems & Compatibility Database

The Lancia 198 A8.000 is a 1,749 cc, inline‑four petrol engine produced between 2004 and 2010. It features a dual overhead camshaft (DOHC) design with variable valve timing (VVT) on the intake cam, delivering 96 kW (130 PS) and 162 Nm of torque. Its twin‑cam layout enables precise valve control for responsive urban performance.

Fitted primarily to the Lancia Musa and Lancia Ypsilon during this period, the 198 A8.000 was engineered for agile city driving with adequate power

Lancia Engine
Compliance Note:

Production years 2004–2010 meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/9012).

Lancia 198-A8-000 Technical Specifications

The Lancia 198 A8.000 is a 1,749 cc inline‑four petrol engine engineered for compact city cars (2004-2010). It combines DOHC valvetrain with intake variable valve timing (VVT) to deliver responsive low-end power and enhanced fuel efficiency. Designed to meet Euro 4 standards, it balances urban agility with acceptable emissions performance.

ParameterValueSource
Displacement
1,749 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Naturally aspirated
Bore × stroke
80.5 mm × 86.0 mm
Power output
96 kW (130 PS) @ 6,300 rpm
Torque
162 Nm @ 4,000 rpm
Fuel system
Multi‑point fuel injection (Magneti Marelli)
Emissions standard
Euro 4
Compression ratio
10.8:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Belt‑driven
Oil type
SAE 5W‑40 (ACEA A3/B4)
Dry weight
128 kg

Lancia 198-A8-000 Compatible Models

The Lancia 198 A8.000 was used across Lancia's Musa and Ypsilon platforms with transverse mounting. This engine received minor platform-specific adaptations-different intake manifolds and engine mounts-and no significant facelift revisions occurred during its production, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.

Make:
Lancia
Years:
2004–2010
Models:
Musa (350)
Variants:
1.8 16V
View Source
Fiat Group PT-2008
Make:
Lancia
Years:
2003–2010
Models:
Ypsilon (843)
Variants:
1.8 16V
View Source
Fiat TIS Doc. F98773

Common Reliability Issues - LANCIA 198-A8-000 Compatible Models

The 198 A8.000's primary reliability risk is VVT solenoid failure if oil changes are neglected. Fiat Group internal data indicated a correlation between extended oil change intervals and solenoid malfunction. Urban driving with frequent short trips accelerates oil degradation, making adherence to the manufacturer's oil change schedule critical.

Variable valve timing (VVT) solenoid failure
Symptoms: Check engine light illuminated, rough or unstable idle, reduced power, poor fuel economy.
Cause: Oil sludge or debris clogging the solenoid's internal passages, preventing it from regulating oil pressure to the VVT actuator.
Fix: Clean or replace the faulty VVT solenoid; ensure correct oil specification and change intervals are followed to prevent recurrence.
Oil leaks from camshaft cover gasket
Symptoms: Oil residue on the top/rear of the engine, smell of burning oil, potential low oil level warnings.
Cause: Aging and hardening of the rubber camshaft cover gasket, exacerbated by engine heat cycles.
Fix: Replace the camshaft cover gasket with a new OEM part; ensure cover bolts are torqued to specification.
Coolant temperature sensor failure
Symptoms: Erratic temperature gauge readings, engine running rich or lean, cooling fan not activating.
Cause: Electrical failure of the coolant temperature sensor located on the cylinder head thermostat housing.
Fix: Replace the faulty coolant temperature sensor with a new OEM unit and clear any stored fault codes.
Exhaust manifold stud breakage
Symptoms: Ticking or tapping noise from the engine bay, especially noticeable when cold, potential exhaust leaks.
Cause: Thermal cycling and vibration causing the studs securing the exhaust manifold to the cylinder head to fatigue and break.
Fix: Replace broken studs; may require drilling and tapping or specialized extraction tools. Use high-quality replacement studs.
Research Basis

Analysis derived from Fiat Group technical bulletins (2004-2010) and UK DVSA failure statistics (2010-2020). Repair procedures should follow manufacturer guidelines.

LANCIA 198-A8-000 FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The 198 A8.000 is generally reliable if its critical timing belt service is performed punctually every 60,000 km and oil is changed regularly. Neglecting oil changes can lead to VVT solenoid failure. With proper maintenance, including addressing minor leaks, these engines can easily surpass 200,000 km.

The most common issues are VVT solenoid failure (causing rough idle and check engine light), oil leaks from the cam cover gasket, failing coolant temperature sensors, and broken exhaust manifold studs. These are well-documented in Fiat Group service bulletins.

This 1.8L 16V VVT engine was used in the Lancia Musa (350 series) from 2004 to 2010 and the Lancia Ypsilon (843 series) from 2003 to 2010. It was the primary 1.8L petrol engine for these compact models during that period.

Yes, but gains are modest. Simple modifications like a performance air filter and sports exhaust can yield 5-8 kW. ECU remapping is possible but offers limited gains due to the engine's naturally aspirated design. Significant power increases require internal modifications.

Real-world fuel economy is reasonable for its size. Expect around 9.0 L/100km in city driving and 6.0 L/100km on the highway, translating to approximately 31 mpg UK combined. Economy is heavily influenced by driving style and vehicle condition.

Yes. The 198 A8.000 is an interference engine. If the timing belt breaks or slips, the pistons will collide with the open valves, causing severe and expensive internal engine damage. This makes the 60,000 km belt change interval absolutely critical.

Lancia specifies a 5W-40 synthetic oil meeting ACEA A3/B4 standards. Using the correct viscosity and specification is vital for protecting the VVT system and ensuring proper lubrication under all operating conditions.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

LANCIA 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.

Methodology

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Last Updated: 25 Feb 2026

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

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