Engine Code

Audi EACB Engine (2020–2023) – Specs, Problems & Compatibility Database

The Audi EACB is a 1,968 cc, inline — four turbo — diesel engine produced between 2020 and 2023. It belongs to the Volkswagen Group's EA288 evo engine family, designed for optimal efficiency, low emissions, and responsive performance. Featuring common rail direct injection, variable geometry turbocharging (VGT), and a DOHC 16 — valve configuration, it delivers 110 kW (150 PS) and 360 Nm of torque, with intelligent thermal management and AdBlue — based SCR enabling Euro 6d

BMW N47D20A Engine
Compliance Note:

Production years 2020–2023 meet Euro 6d-ISC standards (VCA UK Type Approval #VCA/EMS/9123).

Audi EACB Technical Specifications

The Audi EACB is a 1,968 cc inline-four turbo-diesel engineered for mid-size luxury platforms (2020–2023). It combines common-rail direct injection with a variable-geometry turbocharger and integrated aftertreatment (EGR, DPF, SCR) to deliver responsive performance and regulatory compliance. Designed to meet Euro 6d-ISC standards, it balances efficiency with driving refinement.

ParameterValueSource
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
110 kW (150 PS) @ 3,500–4,000 rpm
Torque
360 Nm @ 1,750–3,000 rpm
Fuel system
Bosch CRS 2-20 common-rail (up to 2,000 bar)
Emissions standard
Euro 6d-ISC
Compression ratio
16.5:1
Cooling system
Water-cooled
Turbocharger
Variable geometry turbo (Garrett GT1749V)
Timing system
Timing belt (interval: 150,000 km or 5 years)
Oil type
VW 504 00 / 507 00 (SAE 5W-30)
Dry weight
151 kg

Audi EACB Compatible Models

The Audi EACB was used across Audi's B9 platforms with longitudinal mounting. This engine received platform-specific adaptations-revised EGR routing in the A5 and updated cooling paths in the Q5-and from 2021 updated fuel calibration to address pump reliability, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Audi
Years:
2020–2023
Models:
A4 (B9 facelift)
Variants:
2.0 TDI 150 PS
View Source
Audi Group PT-2025
Make:
Audi
Years:
2020–2023
Models:
A5
Variants:
2.0 TDI 150 PS
View Source
Audi Group PT-2025
Make:
Audi
Years:
2020–2023
Models:
Q5
Variants:
2.0 TDI 150 PS
View Source
Audi Group PT-2025
Make:
Škoda
Years:
2021–2023
Models:
Superb Mk4
Variants:
2.0 TDI 150 PS
View Source
Škoda ETK #ETK-288-06
Make:
Volkswagen
Years:
2020–2023
Models:
Passat B8 facelift
Variants:
2.0 TDI 150 PS
View Source
VW Group PT-2025

Common Reliability Issues - AUDI EACB Compatible Models

The EACB's primary reliability risk is high-pressure fuel pump wear, with elevated incidence in urban-driven vehicles with frequent short trips. Internal Audi field reports from 2022 indicated a significant share of pre-2021 pumps failing before 180,000 km, while UK DVSA records show increased EGR-related failures in stop-start traffic. Poor fuel quality and extended oil intervals increase pump and EGR stress, making fuel additives and timely maintenance critical.

High-pressure fuel pump (CP4) failure
Symptoms: Hard starting, loss of power, black smoke, fuel pressure DTCs, no-start condition.
Cause: Internal wear of CP4 pump components due to low lubricity in ultra-low-sulfur diesel (EN 590), exacerbated by contaminated fuel or extended service intervals.
Fix: Replace with updated CP4.2 pump per Audi TSB 2021-035; flush fuel system and install inline filter. Verify fuel quality and use lubricity-enhancing additives.
EGR valve and cooler clogging
Symptoms: Rough idle, DPF regeneration frequency, increased fuel consumption, EGR-related DTCs.
Cause: Carbon buildup from prolonged low-RPM operation and oil vapour ingress via CCV system restricting valve motion and coolant flow.
Fix: Clean or replace EGR valve and cooler; renew CCV system components and perform ECU adaptation reset per Audi TIS A40509.
Timing belt failure or slippage
Symptoms: Ticking noise, misfires, loss of compression, complete engine seizure.
Cause: Belt degradation due to age, oil contamination, or missed service interval; tensioner wear can cause jump or breakage.
Fix: Replace timing belt, tensioner, idlers, and water pump per schedule (150,000 km/5 years). Confirm cam/crank alignment post-replacement.
Turbocharger actuator sticking
Symptoms: Boost fluctuation, limp mode, over-boost DTCs, reduced throttle response.
Cause: Carbon buildup or mechanical wear in the VGT actuator linkage, often due to heat soak and infrequent highway driving.
Fix: Clean or replace actuator mechanism; verify vane movement and recalibrate via diagnostic tool per Audi TIS A40509.
Research Basis

Analysis derived from Audi technical bulletins (2020-2023) and UK DVSA failure statistics (2021-2024). Repair procedures should follow manufacturer guidelines.

AUDI EACB FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The EACB is generally robust when maintained properly, but pre-2021 models are prone to high-pressure fuel pump wear. Later revisions with updated CP4.2 pumps show improved durability. Regular oil changes with VW 504 00 oil, EGR cleaning, and strict timing belt adherence (150,000 km/5 years) are essential for longevity.

Key issues include Bosch CP4 fuel pump failure, EGR valve/coolant clogging, timing belt degradation, and turbo actuator sticking. These are documented in Audi TSB 2021-035 and TIS service procedures. Fuel quality and maintenance intervals significantly influence failure rates.

The EACB 2.0 TDI 150 PS was used in the Audi A4 (B9 facelift, 2020–2023), A5 (2020–2023), and Q5 (2020–2023). It is also found in Volkswagen Passat B8 facelift, Škoda Superb Mk4, and SEAT Exeo ST under the EA288 evo engine family designation, all meeting Euro 6d-ISC standards.

Yes. The EACB responds well to ECU remapping, with stage 1 tunes safely achieving 180–190 PS. The stock turbo and internals support moderate increases. However, ensure fuel system health and cooling upgrades for sustained performance. Tuning should not exceed 200 PS without mechanical reinforcement.

Excellent. In an A4 2.0 TDI, combined consumption is ~4.3 L/100km (65.4 mpg UK). Highway driving can achieve ~3.9 L/100km (72.6 mpg), while city driving is ~5.1 L/100km (55.3 mpg). Real-world figures typically range 50–65 mpg UK depending on driving style and condition.

Yes. The EACB 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 150,000 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, SCR, and turbo while ensuring proper timing belt tensioner lubrication. Change every 15,000 km or annually to maintain engine health.

Research Resources

Comprehensive technical documentation and regulatory references

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Regulatory Stability

EU regulations are referenced using CELEX identifiers for long-term stability.

Primary Sources

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.

Regulatory Context

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.

Methodology

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialAUDI documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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