The Volvo B4204T43 is a 1,984 cc, inline‑four turbocharged petrol engine produced between 2007 and 2010. It features an aluminum block and head, dual overhead camshafts (DOHC), and sequential multi-point fuel injection. This unit delivered 127 kW (172 PS) and 270 Nm of torque, offering a compelling blend of efficiency and spirited performance for its class.
Fitted primarily to the S40 and V50 models, the B4204T43 was engineered for responsive, agile driving with an emphasis on low-to-mid range torque. Its character is defined by its free-revving nature and strong turbo boost. Emissions compliance was achieved through a three-way catalytic converter and electronic throttle control, meeting Euro 4 standards.
One documented concern is premature failure of the electronic throttle body due to carbon buildup on the throttle plate, which can lead to erratic idle and drivability issues. This issue, highlighted in Volvo's Technical Service Bulletin TJ 32819, is often linked to extended oil change intervals allowing crankcase vapors to contaminate the intake. In 2009, Volvo introduced a revised throttle body with improved sealing to address this weakness.
Production years 2007–2010 meet Euro 4 emissions standards (VCA UK Type Approval #VCA/EMS/4689).
The Volvo B4204T43 is a 1,984 cc inline‑four turbocharged petrol engine engineered for compact sedans and wagons (2007-2010). It combines DOHC architecture with turbocharging to deliver responsive, torquey performance. Designed to meet Euro 4 standards, it balances sporty character with everyday drivability and fuel efficiency.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,984 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 81.0 mm × 96.0 mm | |
| Power output | 127 kW (172 PS) @ 5,000 rpm | |
| Torque | 270 Nm @ 1,800–5,000 rpm | |
| Fuel system | Sequential multi-point fuel injection | |
| Emissions standard | Euro 4 | |
| Compression ratio | 8.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Garrett GT1549V with wastegate | |
| Timing system | Belt-driven camshafts | |
| Oil type | SAE 5W-30 (Volvo VCC 95200312) | |
| Dry weight | 140 kg (approx.) |
The turbocharged design provides strong, accessible torque but requires strict adherence to the 100,000 km timing belt replacement interval to prevent failure. The electronic throttle body is prone to carbon buildup; regular cleaning is advised. Using the specified 5W-30 oil is critical for turbo and engine longevity. Pre-2009 engines should have the throttle body upgraded per Volvo TSB TJ 32819 to prevent drivability issues.
Oil Specs: Requires SAE 5W-30 meeting Volvo specification VCC 95200312 (Volvo Workshop Manual 2008).
Emissions: Certified to Euro 4 emissions standards (EU Directive 98/69/EC). VCA UK Type Approval #VCA/EMS/4689.
Power Ratings: Measured under SAE net standards (with accessories). Figures represent maximum output at the crankshaft (Volvo TDS-B4204).
Volvo Workshop Manual (2008 Edition)
Volvo Technical Data Sheet (TDS-B4204)
Volvo Technical Service Bulletin TJ 32819
EU Directive 98/69/EC (Euro 4 Standard)
The Volvo B4204T43 was used across Volvo's P1 Platform with transverse mounting. This engine received minor platform-specific adaptations-different engine mounts and accessory brackets between sedan and wagon-and from 2009 the electronic throttle body was revised, creating a key service part distinction. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on a flat boss on the front of the cylinder block, near the alternator (Volvo Workshop Manual 2008). The code will read "B4204T43". Visual identification: Aluminum block, silver "T4" badge on the plastic intake manifold, Garrett turbocharger on the exhaust manifold. Differentiate from the B4154T2 by displacement (2.0L vs 1.5L); the B4154T2 block is visibly smaller. Pre-2009 engines have a smooth throttle body housing; post-2009 units have a ribbed, revised housing.
The B4204T43's primary reliability risk is electronic throttle body failure due to carbon buildup, with elevated incidence in vehicles subjected to infrequent oil changes. Volvo service bulletins from the era highlight this as a common cause of drivability complaints, while aggregated repair data consistently shows that replacing the throttle body with the revised part is a highly effective preventative measure for long-term drivability.
Analysis derived from Volvo technical service bulletins (2007-2010) and aggregated data from Volvo Technical Information System (TIS) repair logs (2010-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLVO B-4204-T43.
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 VOLVO 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.
VOLVO 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 officialVOLVO 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.
