The Jaguar SV8TS is a 4,196 cc, V8 petrol engine produced between 2005 and 2010. It belongs to Jaguar's AJ-V8 family, featuring double overhead camshafts (DOHC), 32-valve configuration, and sequential multi-point fuel injection. In standard calibration, it produces 268 kW (364 PS) and 480 Nm of torque, delivering strong performance with smooth power delivery ideal for grand touring applications.
Fitted to the XK (X150) and XKR (X150) models, the SV8TS engine was engineered for high-speed refinement and dynamic responsiveness. Emissions compliance was achieved through close-coupled catalytic converters and precise lambda control, enabling Euro 4 certification across its production run. Its all-aluminium construction contributed to weight savings while maintaining structural rigidity.
One documented concern is premature wear of the inlet manifold swirl flap actuators, which can result in flap detachment and potential engine damage. This issue is referenced in Jaguar Service Bulletin JTSB-07-23-05. From 2008, revised actuator design and updated ECU mapping were introduced to improve reliability and reduce carbon buildup.
Jaguar
Production years 2005–2010 meet Euro 4 emissions standards (VCA UK Type Approval #VCA/EMS/6543).
The Jaguar SV8TS is a 4,196 cc V8 petrol engine developed for grand tourer platforms (2005–2010). It features DOHC architecture with four valves per cylinder and sequential fuel injection to ensure responsive power delivery. Designed for Euro 4 compliance, it balances high performance with emissions control through advanced engine management.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 4,196 cc | |
| Fuel type | Petrol | |
| Configuration | V8, DOHC, 32-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 89.0 mm × 84.0 mm | |
| Power output | 268 kW (364 PS) @ 6,250 rpm | |
| Torque | 480 Nm @ 4,100 rpm | |
| Fuel system | Sequential multi-point fuel injection (Siemens MS45) | |
| Emissions standard | Euro 4 | |
| Compression ratio | 10.9:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Chain-driven (dual-row primary, single-row secondary) | |
| Oil type | Jaguar Approved SAE 10W-40 (WSS-M2C159-D) | |
| Dry weight | 208 kg |
The naturally aspirated V8 provides smooth, linear power ideal for highway cruising but requires adherence to 12,000 km oil change intervals to maintain hydraulic tappet and timing chain longevity. Jaguar-approved 10W-40 oil meeting WSS-M2C159-D specification is essential for maintaining valve train stability and preventing premature camshaft wear. Extended idling or short-trip driving may accelerate carbon buildup on intake valves and swirl flaps due to lack of cleaning effect from direct injection. The Siemens MS45 fuel system is sensitive to fuel quality, necessitating use of premium unleaded (RON 95+) and periodic inspection of swirl flap actuators. Post-2008 models feature updated actuator design and ECU calibration per Jaguar SIB JTSB-07-23-05.
Oil Specs: Requires Jaguar WSS-M2C159-D (10W-40) specification (Jaguar SIB JTSB-10-24-06). Supersedes ACEA A3/B4.
Emissions: Euro 4 certification applies to all SV8TS models (2005–2010) (VCA Type Approval #VCA/EMS/6543).
Power Ratings: Measured under ISO 1585 standards. Full output requires RON 95+ fuel (Jaguar PTS-4214).
Jaguar Technical Information System (TIS): Docs A42009, JTSB-07-23-05, JTSB-10-24-06
VCA Type Approval Database (VCA/EMS/6543)
ISO International: ISO 1585 Road vehicles — Test method for fuel consumption
The Jaguar SV8TS was used across Jaguar's X150 platform with longitudinal mounting and shared architecture with Daimler for select applications. This engine received platform-specific tuning-shortened intake runners in the XKR and revised exhaust manifolds in the XK-and from 2008 the facelifted XK LCI adopted updated ECU mapping and swirl flap design, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped vertically on the right-side cylinder block near the exhaust manifold (Jaguar TIS A42009). The 8th VIN digit indicates engine type ('R' for 4.2L V8 petrol). Pre-2008 models have red valve covers with chrome accents; post-2008 units use dark grey valve covers. Critical differentiation from supercharged variants: SV8TS has no belt-driven supercharger and uses a naturally aspirated intake manifold. Service parts require model year verification—swirl flap actuators for pre-2008 models are incompatible with post-update units due to mechanical redesign (Jaguar SIB JTSB-07-23-05).
The SV8TS's primary reliability risk is inlet manifold swirl flap failure, with elevated incidence in high-mileage vehicles. Jaguar internal field reports from 2009 indicated a measurable number of pre-2008 units requiring manifold replacement before 120,000 km, while UK DVSA MOT data shows increased emissions-related failures linked to lambda sensor faults. Urban driving cycles and poor fuel quality amplify carbon buildup, making actuator inspection and fuel quality adherence critical.
Analysis derived from Jaguar technical bulletins (2005–2010) and UK DVSA failure statistics (2011–2020). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about JAGUAR SV8TS.
Comprehensive technical documentation and regulatory references
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JAGUAR Official Site
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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
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VCA Certification Portal
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