The Audi CZDA is a 1,968 cc, inline — four turbo — diesel engine produced between 2008 and 2013. It forms part of the Volkswagen Group's EA189 engine family, designed for efficiency and responsive performance. Featuring common rail direct injection, variable geometry turbocharging (VGT), and DOHC valvetrain, it delivers 103 kW (140 PS) and 320 Nm of torque, with precise fuel metering enabling strong low — end pull for daily driving.
Fitted to models such as the A3 (8P), A4 (B…
Production years 2008–2013 meet Euro 5 standards .
The Audi CZDA is a 1,968 cc inline-four turbo-diesel engineered for compact and mid-size platforms (2008–2013). It combines common-rail direct injection with a variable-geometry turbocharger to deliver responsive low-RPM torque and efficient highway cruising. Designed to meet Euro 5 standards, it balances performance with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,968 cc | |
Fuel type | Diesel | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged (VGT) | |
Bore × stroke | 81.0 mm × 95.5 mm | |
Power output | 103 kW (140 PS) @ 3,500–4,000 rpm | |
Torque | 320 Nm @ 1,750–2,500 rpm | |
Fuel system | Bosch CRS 2-20 common-rail (up to 1,600 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 16.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Variable geometry turbo (Garrett GT1544V) | |
Timing system | Timing belt (interval: 120,000 km or 5 years) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 145 kg |
The Audi CZDA was used across Audi's 8P/8E platforms with transverse mounting and shared within the Volkswagen Group for longitudinal applications. This engine received platform-specific adaptations-shorter intake manifolds in the A3 and revised EGR routing in the A4-and from 2011 updated fuel calibration to address pump reliability, 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.
The most common questions about engine codes, what they mean, how to find them and how this database works
The CZDA is generally robust when maintained properly, but pre-2011 models are prone to high-pressure fuel pump wear. Later revisions with updated CP3.4 pumps show improved durability. Regular oil changes with VW 504 00 oil, EGR cleaning, and strict timing belt adherence (120,000 km/5 years) are essential for longevity.
Key issues include Bosch CP3 fuel pump failure, EGR valve/coolant clogging, timing belt degradation, and turbo actuator sticking. These are documented in Audi TSB 2011-037 and TIS service procedures. Fuel quality and maintenance intervals significantly influence failure rates.
The CZDA 2.0 TDI 140 PS was used in the Audi A3 (8P, 2008–2013) and A4 (B7/B8, 2008–2011). It is also found in Volkswagen Golf Mk6, Škoda Octavia Mk2, and SEAT León Mk2 under the EA189 engine family designation, all meeting Euro 5 standards.
Aftermarket ECU tuning is common on the CZDA 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.
Excellent. In an A3 2.0 TDI, combined consumption is ~4.2 L/100km (67 mpg UK). Highway driving can achieve ~3.8 L/100km (74 mpg), while city driving is ~5.0 L/100km (56 mpg). Real-world figures typically range 50–65 mpg UK depending on driving style and condition.
Yes. The CZDA is an interference engine. If the timing belt fails or jumps, pistons will contact open valves, causing severe internal damage. This makes strict adherence to the 120,000 km or 5-year replacement interval absolutely critical.
Audi specifies VW 504 00 / 507 00 (SAE 5W-30) synthetic oil. This low-SAPS formulation protects the EGR, DPF, and turbo while ensuring proper timing belt tensioner lubrication. Change every 15,000 km or annually to maintain engine health.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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.
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