The Audi CJGD is a 1,984 cc, inline — four turbocharged petrol engine produced between 2019 and 2023. It belongs to the EA288 evo engine family, designed for transverse applications across Audi and Volkswagen Group models. Featuring direct fuel injection (FSI), variable valve timing (VVT), and a single twin — scroll turbocharger, it delivers 140 kW (190 PS) and 320 Nm of torque, offering a balance of responsiveness and efficiency.
Fitted to models such as the Audi A3 (8V fac…
All production years (2019–2023) comply with Euro 6d-TEMP emissions standards .
The Audi CJGD is a 1,984 cc inline-four turbocharged petrol engine engineered for compact and mid-size transverse applications (2019–2023). It combines direct fuel injection with a twin-scroll turbocharger to deliver strong mid-range performance and improved fuel economy. Designed from launch to meet RDE-compliant Euro 6d-TEMP standards, it integrates a gasoline particulate filter (GPF) and advanced thermal management for real-world emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,984 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged (twin-scroll) | |
Bore × stroke | 82.5 mm × 92.8 mm | |
Power output | 140 kW (190 PS) @ 4,200–6,000 rpm | |
Torque | 320 Nm @ 1,500–4,000 rpm | |
Fuel system | Bosch HDEV5 direct injection (up to 350 bar) | |
Emissions standard | Euro 6d-TEMP | |
Compression ratio | 11.0:1 | |
Cooling system | Water-cooled with electric coolant pump | |
Turbocharger | Single twin-scroll turbo (BorgWarner) | |
Timing system | Timing chain (lifetime service interval) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 132 kg |
The Audi CJGD was used across Audi's MQB platform with transverse mounting and shared with Volkswagen Group brands. This engine received platform-specific adaptations-shorter intake runners in the A3 and reinforced mounts in the Q3-and from 2020 the facelifted A4 B9.5 adopted revised thermal management, creating interchange limits. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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The CJGD is generally robust when maintained properly, but known for turbo wastegate actuator issues beyond 80,000 km. Regular oil changes (0W-20 VW 508 00) and use of high-octane fuel are essential. The timing chain is designed for life, but intake carbon buildup may require cleaning. GPF maintenance is critical for long-term emissions compliance.
Key issues include turbo wastegate actuator failure, intake valve carbon buildup, GPF clogging from short trips, and HPFP wear. These are documented in Audi SIBs 2018-07-09 and 2020-05-11. Fuel quality, oil adherence, and driving style are critical to preventing premature failures in this EA288 evo-series engine.
The CJGD 2.0 TFSI was used in the Audi A3 (8V, 2019–2023), A4 (B9, 2019–2023), Q3 (F3, 2019–2023), and TT (FV, 2020–2023). It replaced earlier EA888 Gen3 engines and was phased out with the introduction of MHEV variants. All applications feature transverse mounting with model-specific tuning and emissions hardware.
Aftermarket ECU tuning is common on the CJGD platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
Good for a performance petrol engine. In an A4 2.0 TFSI (B9), combined consumption is ~6.5 L/100km (~43 mpg UK). Highway driving can achieve ~5.8 L/100km (~49 mpg). Real-world figures depend on driving style, but 35–45 mpg (UK) is typical for mixed use. Expect higher consumption with aggressive driving.
Yes. The CJGD is an interference engine—failure of the timing chain can result in piston-to-valve contact and catastrophic internal damage. Although the chain is designed for life, severe oil starvation or manufacturing defects could lead to failure. Always maintain correct oil level and quality.
Audi specifies SAE 0W-20 oil meeting VW 508 00 (petrol) or VW 509 00 (MHEV) standards. This low-viscosity oil is critical for variable valve timing, GPF longevity, and cold-start efficiency. Change every 15,000 km or annually to prevent sludge and ensure turbo and injector protection.
Comprehensive technical documentation and regulatory references
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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.
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