The Audi CEPB is a 1,968 cc, inline — four turbo — diesel engine produced between 2010 and 2018. It forms part of the Volkswagen Group's EA288 engine family, designed for efficiency and durability across compact and mid — size platforms. 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 start — stop technology and energy recovery systems enhancing fuel ec…
Production years 2010–2014 meet Euro 5 standards; 2015–2018 models comply with Euro 6b depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Audi CEPB is a 1,968 cc inline-four turbo-diesel engineered for compact and executive models (2010–2018). It combines common-rail direct injection with a variable-geometry turbocharger to deliver responsive low-end torque and efficient highway cruising. Designed to meet Euro 5 and Euro 6 standards, it balances emissions compliance with real-world drivability.
| 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 @ 1,750–2,750 rpm | |
Fuel system | Bosch CRS 2-20 (up to 2,000 bar) | |
Emissions standard | Euro 5 (pre-2015); Euro 6b (2015–2018) | |
Compression ratio | 16.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Single variable-geometry turbo (Garrett GT1544V) | |
Timing system | Double-row roller chain (non-interference design) | |
Oil type | VW 504 00 / 507 00 (SAE 5W-30) | |
Dry weight | 168 kg |
The Audi CEPB was used across Audi's 8V/B8/C7 platforms with transverse mounting in front-wheel-drive models and longitudinal in quattro variants. This engine received platform-specific adaptations-integrated starter-generator (ISG) in mild-hybrid variants from 2016-and from 2015 the facelifted B8.5 and C7.5 models adopted SCR/AdBlue systems, creating emissions system interchange limits. All adaptations are documented in OEM technical bulletins.
The CEPB's primary reliability risk is EGR and intake carbon buildup, with elevated incidence in urban-driven vehicles. Internal Audi field reports from 2016 indicated a significant number of pre-2015 units required EGR cleaning before 120,000 km, while UK DVSA MOT data shows DPF-related failures are common in short-trip diesel vehicles. Frequent cold starts and low-load operation increase soot accumulation, making regular highway driving and correct oil selection critical.
Analysis derived from Audi technical bulletins (2013-2017) 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 CEPB is generally robust, especially compared to earlier TDI engines. Pre-2015 models are prone to EGR and DPF issues if used for short trips. Post-2015 SCR-equipped variants are more complex but reliable when maintained. Timing chains are durable, but tensioners may wear beyond 200,000 km. Using correct oil and driving regularly on highways greatly enhances longevity.
Primary issues include EGR/intake carbon buildup, DPF saturation, and AdBlue system faults in SCR models. Secondary concerns are timing chain tensioner rattle and occasional high-pressure fuel pump wear. These are documented in Audi service bulletins, particularly SIB 2015-01-02 for EGR improvements and SIB 2014-03-01 for oil specification enforcement.
The CEPB 2.0 TDI 140 PS was used in the Audi A3 (8V, 2013–2018), A4 (B8/B8.5, 2010–2018), and A6 (C7/C7.5, 2011–2018). It was available in both front-wheel-drive and quattro configurations. Models from 2015 onward with Euro 6 compliance feature SCR/AdBlue systems, while earlier versions meet Euro 5 with DPF-only emissions control.
Yes, the CEPB responds well to ECU remapping. Stage 1 tunes typically achieve 170–185 PS safely, as the stock turbo and internals handle increased boost. Further gains require upgraded turbo, intercooler, and fueling. Tuning can increase DPF and EGR stress, so enhanced cooling and regular servicing are recommended to maintain reliability.
Excellent. In an A4 2.0 TDI (140 PS), combined consumption is ~4.2 L/100km (67 mpg UK). Highway runs can achieve ~3.8 L/100km (74 mpg UK), while city driving may reach ~5.0 L/100km (56 mpg UK). Real-world figures for mixed driving typically range from 50–65 mpg UK, depending on driving style and condition.
No. The CEPB uses a non-interference valvetrain design. If the timing chain fails, piston-to-valve contact is unlikely, reducing the risk of catastrophic engine damage. However, any timing issue still requires immediate repair to prevent valve or piston damage from secondary contact or loss of compression.
Audi specifies VW 504 00 / 507 00 (SAE 5W-30) synthetic oil. This low-ash formulation is essential for protecting the turbocharger, high-pressure fuel pump, and DPF. Change intervals are 15,000 km or annually under normal conditions, but shorten to 10,000 km for frequent short trips or towing.
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 AUDI 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.
AUDI 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 officialAUDI 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.