The Volkswagen CLJA is a 1,984 cc, inline‑four turbocharged petrol engine produced between 2008 and 2015. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing, delivering 147 kW (200 PS) and 280 Nm of torque. Its turbocharged direct injection system enables strong low‑rpm torque for responsive everyday drivability.
Fitted to models such as the Mk5 and Mk6 Golf R, Scirocco R, and Audi S3 (8P), the CLJA was engineered for high p…
All production years 2008–2015 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/5678).
The Volkswagen CLJA is a 1,984 cc inline‑four turbocharged petrol engine engineered for performance hatchbacks and coupés (2008–2015). It combines gasoline direct injection (TSI) with a single turbocharger to deliver strong mid‑range pull and high‑rev responsiveness. Designed to meet Euro 5 emissions standards, it balances sporty performance with acceptable fuel economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,984 cc | |
Fuel type | Petrol (RON 95 min, RON 98 recommended) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 82.5 mm × 92.8 mm | |
Power output | 147 kW (200 PS) @ 6,000 rpm | |
Torque | 280 Nm @ 1,800–5,500 rpm | |
Fuel system | Bosch HDP5 high-pressure direct injection (up to 110 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 9.8:1 | |
Cooling system | Water‑cooled with dual-circuit layout | |
Turbocharger | Single K04 turbo (Garrett) | |
Timing system | Chain-driven DOHC | |
Oil type | VW 502 00 / 505 00 (SAE 5W‑40) | |
Dry weight | 149 kg |
The Volkswagen CLJA was used across Volkswagen's Mk5/Mk6 platforms with transverse mounting and shared with Audi under the Volkswagen Group modular strategy. This engine received platform-specific adaptations—reinforced mounts in the Golf R and revised cooling in the Scirocco R—and from 2011 minor HPFP updates were implemented, creating service part distinctions. All adaptations are documented in OEM technical bulletins.
The CLJA's primary reliability risk is high-pressure fuel pump (HPFP) failure linked to cam follower wear, with elevated incidence in vehicles using RON 95 fuel or extended oil intervals. Volkswagen internal data from 2011 indicated a notable rate of HPFP replacement before 80,000 km in early builds, while UK DVSA records show no systemic emissions defects. Aggressive driving and low-quality fuel accelerate wear, making fuel grade and maintenance adherence critical.
Analysis derived from Volkswagen technical bulletins (2009–2014) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The CLJA is robust when maintained properly. Early units (2008–2011) had HPFP issues, but post-2011 revisions improved durability. Using RON 98 fuel, VW 502 00 oil, and adhering to service intervals greatly enhances longevity. Many examples exceed 200,000 km with no major failures.
The top issues are HPFP cam follower wear, turbo oil seal leaks, and minor carbon buildup on intake valves. Timing chain problems are rare. HPFP failure is well-documented in Volkswagen STB 2010‑07 and is the most frequent major repair.
The CLJA powered the Golf R Mk5 (2008–2009), Golf R Mk6 (2009–2013), Scirocco R (2009–2015), and select Audi S3 (8P) models in Europe. All are transverse-mounted 2.0 TSI performance variants with 200 PS output.
Yes. The CLJA responds well to ECU remapping, typically gaining +30–50 kW on stock hardware. The K04 turbo and forged internals support up to 250–260 PS reliably. Supporting mods like intercooler, exhaust, and upgraded HPFP are recommended for stage 2+ tuning.
Real-world consumption is ~9.5 L/100km (city) and ~6.2 L/100km (highway), or ~30 mpg UK combined. Aggressive driving pushes this to 11–12 L/100km. Using RON 98 and smooth driving can improve economy slightly.
Yes. The CLJA is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic damage. However, chain failures are extremely rare; the system is generally durable with proper oil maintenance.
Volkswagen specifies 5W‑40 synthetic oil meeting VW 502 00 (petrol) or 505 00 (petrol/diesel) standards. Do not use Longlife (504/507) oils. Change every 15,000 km or annually to protect the turbo and HPFP system.
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 VOLKSWAGEN 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.
VOLKSWAGEN 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 officialVOLKSWAGEN 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.