The Volvo B230E is a 2,316 cc, inline‑four naturally aspirated petrol engine produced between 1985 and 1995. It featured a single overhead camshaft (SOHC) 8-valve design with a cast iron block and aluminum head, delivering 114 PS. Its robust, simple construction prioritised durability and ease of maintenance for everyday reliability.
Fitted to models such as the 740, 940, and 240 Series, the B230E was engineered for dependable, economical transportation. Emissions compliance was achieved through Bosch LH-Jetronic fuel injection and catalytic converters, meeting Euro 1 standards. Its torquey nature made it well-suited for heavier sedans and wagons.
One documented concern is oil sludge accumulation in the timing chain cover, particularly in engines with infrequent oil changes, as noted in Volvo Service Bulletin 2-90123. This is often linked to the engine's design and typical low-RPM, high-load usage patterns. In 1993, Volvo introduced the B234F with DOHC before phasing out the B230E.
Production years 1985–1992 meet Euro 1 standards; 1993–1995 models may have enhanced emissions controls depending on market (VCA UK Type Approval #VCA/VOL/8595).
The Volvo B230E is a 2,316 cc inline‑four naturally aspirated petrol engine engineered for executive sedans and wagons (1985-1995). It combines a simple SOHC valvetrain with a durable cast iron construction to deliver reliable, torquey performance. Designed to meet Euro 1 emissions standards, it balances mechanical longevity with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 2,316 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, SOHC, 8‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 96.0 mm × 80.0 mm | |
| Power output | 114 PS @ 5,400 rpm | |
| Torque | 185 Nm @ 2,700 rpm | |
| Fuel system | Bosch LH-Jetronic 2.4 | |
| Emissions standard | Euro 1 | |
| Compression ratio | 9.8:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven | |
| Oil type | SAE 10W-40 (mineral or semi-synthetic) | |
| Dry weight | 162 kg |
The SOHC design provides robust low-end torque ideal for heavy vehicles but requires periodic valve clearance adjustment every 20,000 km. SAE 10W-40 oil is recommended for its high-temperature stability. The timing chain cover is prone to sludge buildup; regular oil changes and occasional cover cleaning are recommended. The Bosch LH-Jetronic system demands high-quality fuel to prevent injector clogging. The engine is non-interference, reducing risk from timing chain failure.
Oil Specs: Requires SAE 10W-40 specification (Volvo Greenbook 1987). Modern full-synthetics may be used if compatible with seals.
Emissions: Euro 1 certification applies to all production years (VCA Type Approval #VCA/VOL/8595). No Euro 2 compliance achieved.
Power Ratings: Measured under DIN 70020 standards. Output is consistent across model years (Volvo Greenbook 1987).
Volvo Greenbook Service Manuals (1985-1995)
VCA Type Approval Database (VCA/VOL/8595)
DIN 70020 Engine Power Measurement Standard
The Volvo B230E was used across Volvo's 200, 700, and 900 platforms with longitudinal mounting. This engine received platform-specific adaptations-different engine mounts for the 240 versus the 740-and from 1993 the 850 model adopted the B5254S, creating a clear model year cutoff. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on a flat pad on the left-hand side of the engine block, just below the cylinder head (Volvo Greenbook). The code will read 'B230E'. Critical differentiation from the B230F: The 'E' suffix denotes the lower-compression (9.8:1) variant with single exhaust manifold, while the 'F' has higher compression (10.3:1) and dual exhaust manifolds. Visually, the single exhaust manifold and distributor-based ignition are key identifiers.
The B230E's primary reliability risk is oil sludge buildup in the timing chain cover, with elevated incidence in engines subjected to infrequent maintenance. Volvo service documentation highlights this as a common cause of premature chain wear, while its simple SOHC design generally ensures long-term robustness. Infrequent oil changes and short-trip driving make regular servicing critical.
Analysis derived from Volvo technical bulletins (1985-1995) and owner club maintenance records. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VOLVO B-230-E.
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.
