The Audi CESA is a 1,968 cc, inline — four turbo — diesel engine produced between 2008 and 2012. It forms part of the Volkswagen Group's EA189 engine family, designed for compact and mid — size applications. Featuring common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC), it delivers 103 kW (140 PS) and 320 Nm of torque, with enhanced low — end response for urban drivability.
Fitted to models including the Audi A3 (8P), A4 (B7…
Production years 2008–2012 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/5678).
The Audi CESA is a 1,968 cc inline-four turbo-diesel engineered for compact and mid-size models (2008–2012). It combines common-rail direct injection with a variable-geometry turbocharger to deliver responsive low-RPM torque. Designed to meet Euro 5 standards, it balances urban efficiency with highway refinement.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,968 cc | |
Fuel type | Diesel | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Turbocharged | |
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 | Single variable-geometry turbo (Garrett GT1544V) | |
Timing system | Timing belt (interval: 120,000 km or 6 years) | |
Oil type | VW 504 00 / 507 00 (SAE 5W-30) | |
Dry weight | 145 kg |
The Audi CESA was used across Audi's 8P/B7/B8 platforms with longitudinal mounting and shared within the Volkswagen Group for transverse applications. This engine received platform-specific adaptations-shorter intake manifolds in the A3 and revised cooling routing in the A4-and from 2011 updated fuel calibration improved HPFP longevity, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The CESA's primary reliability risk is high-pressure fuel pump wear, with elevated incidence in urban-driven vehicles. Internal Audi quality reports from 2011 noted increased HPFP failures in pre-2011 units before 150,000 km, while UK DVSA MOT data shows EGR/DPF clogging as a leading cause of emissions failures. Short-trip driving and poor fuel quality amplify system stress, making fuel filtration and oil quality adherence critical.
Analysis derived from Audi technical bulletins (2008–2012) and UK DVSA failure statistics (2012–2020). 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 CESA offers strong fuel economy and adequate performance, but pre-2011 models have documented HPFP reliability issues. Post-2011 revisions with updated pumps and filtration improve durability. Strict maintenance, use of quality diesel (EN 590), and adherence to oil and timing belt intervals are essential for long-term reliability.
Key issues include high-pressure fuel pump wear, EGR/DPF clogging, timing belt failure, and oil leaks from valve cover gaskets. These are documented in Audi service bulletins, particularly SIB 2010-15 for HPFP improvements. Urban driving exacerbates EGR and DPF issues.
The CESA engine was used in the Audi A3 (8P, 2008–2012), A4 (B7/B8, 2008–2012), and A6 (C6, 2008–2011). It was phased out in favor of updated EA189 variants with improved emissions and reliability post-2012.
Yes, the CESA responds well to ECU remapping. Stage 1 tunes typically achieve 160–170 PS safely. However, increased fuel pressure and turbo boost stress the HPFP and EGR system, so supporting modifications and high-quality maintenance are strongly advised.
In mixed driving, the CESA achieves approximately 5.0–5.5 L/100km (51–57 mpg UK). Highway efficiency is around 4.5 L/100km (62 mpg UK), while city driving may reach 6.0 L/100km (47 mpg UK). Real-world figures depend on driving style and vehicle condition.
Yes, the CESA is an interference engine. If the timing belt fails, pistons will contact open valves, resulting in severe internal damage. Adhering to the 120,000 km or 6-year replacement interval is critical to avoid costly repairs.
Audi specifies VW 504 00 / 507 00 (SAE 5W-30) synthetic oil. This low-ash formulation is essential for DPF protection and HPFP longevity. Oil changes should be performed every 15,000 km or annually to maintain engine health.
Comprehensive technical documentation and regulatory references
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AUDI 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
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
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