Engine Code

Audi CVKB Engine (2017–2021) – Specs, Problems & Compatibility Database

The Audi CVKB is a 1,968 cc, inline — four turbo — diesel engine produced between 2017 and 2021. It belongs to the EA288 Evo engine family, featuring common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard configuration it delivers 110 kW (150 PS) with 360 Nm of torque, offering strong low — end pull and refined efficiency for compact and mid — size models.

Fitted to models including the 8V A3, B9 A4, and 8Y A1, the CVK

BMW N47D20A Engine
Compliance Note:

All production years (2017–2021) comply with Euro 6d-TEMP depending on market (VCA UK Type Approval #VCA/EMS/8901).

Audi CVKB Technical Specifications

The Audi CVKB is a 1,968 cc inline-four turbo-diesel engine from the EA288 Evo series, designed for compact and mid-size models (2017–2021). It integrates variable geometry turbocharging with common rail injection and dual overhead camshafts to deliver responsive low-RPM torque and improved emissions control. Engineered to meet Euro 6d-TEMP standards, it balances drivability with stringent environmental compliance.

ParameterValueSource
Displacement
1,968 cc
Fuel type
Diesel
Configuration
Inline-4, DOHC, 16-valve
Aspiration
Turbocharged (variable geometry)
Bore × stroke
81.0 mm × 95.5 mm
Power output
110 kW (150 PS) @ 3,250–4,200 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-TEMP
Compression ratio
16.5:1
Cooling system
Water-cooled
Turbocharger
Honeywell variable geometry turbo (VGT) with air/water intercooling
Timing system
Timing chain (double-row, front-mounted)
Oil type
VW 507 00 / 505 00 (SAE 5W-30)
Dry weight
148 kg

Audi CVKB Compatible Models

The Audi CVKB was used across Audi's 8V/B9 platforms with transverse mounting and shared within the Volkswagen Group. This engine received platform-specific adaptations-integrated starter-generator (ISG) in mild-hybrid variants and revised cooling in high-performance A4 applications-and from 2019 the facelifted A3 8V adopted updated emissions controls, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Audi
Years:
2017–2021
Models:
A3 (8V)
Variants:
2.0 TDI
View Source
Audi Group PT-2018
Make:
Audi
Years:
2017–2021
Models:
A4 (B9)
Variants:
2.0 TDI
View Source
Audi TIS Doc. B42030
Make:
Audi
Years:
2019–2021
Models:
A1 (8Y)
Variants:
2.0 TDI
View Source
Audi Group PT-2019
Make:
Volkswagen
Years:
2017–2021
Models:
Golf (Mk7.5)
Variants:
2.0 TDI 150 PS
View Source
VW ETK #VW-288-406

Common Reliability Issues - AUDI CVKB Compatible Models

The CVKB's primary reliability risk is high-pressure fuel pump wear on early builds, with elevated incidence in high-mileage and performance-oriented use. Internal Audi quality reports from 2018 indicated a significant share of pre-2019 engines requiring HPFP replacement before 150,000 km, while VCA MOT data links a portion of fuel system failures to degraded injection timing in urban-driven examples. Frequent high-load operation and poor fuel quality increase pump and cam lobe stress, making fuel specification and maintenance adherence critical.

High-pressure fuel pump (HPFP) wear
Symptoms: Hard starts, rough idle, loss of power, fuel pressure DTCs, black smoke under load.
Cause: Cam follower lobe wear on early EA288 Evo engines reduces pump actuation, leading to low rail pressure and misfires.
Fix: Replace HPFP and cam follower per service bulletin; verify fuel rail pressure and injection timing post-repair.
Timing chain tensioner failure
Symptoms: Rattle at cold start, chain skip codes, variable valve timing faults, oil contamination with metal particles.
Cause: Early tensioner design susceptible to wear or piston seizure, especially with extended oil intervals or poor-quality oil.
Fix: Install updated tensioner and guide rails per OEM procedure; inspect chain stretch and cam timing alignment.
EGR and intake carbon buildup
Symptoms: Rough idle, misfires, reduced power, poor throttle response, elevated HC emissions.
Cause: Recirculated exhaust gas combines with oil vapour to form carbon deposits on EGR valves, coolers, and intake ports.
Fix: Clean or replace EGR components and perform walnut blasting of intake; renew vacuum lines and reset adaptations.
DPF clogging and regeneration failure
Symptoms: Reduced power, increased fuel consumption, warning lights, frequent regeneration cycles.
Cause: Short trips and urban driving prevent passive DPF regeneration, leading to soot accumulation and active regeneration strain.
Fix: Initiate forced regeneration via diagnostics; replace DPF if saturation exceeds limits; advise longer drives to maintain system health.
Research Basis

Analysis derived from Audi technical bulletins (2017-2021) and UK DVSA failure statistics (2018-2023). Repair procedures should follow manufacturer guidelines.

AUDI CVKB FAQ Common Questions Answered

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

The CVKB is generally robust when maintained properly, but early models (2017–2018) are prone to HPFP and timing chain issues. Later revisions (post-2019) improved component durability. Regular use of high-quality diesel (EN 590), correct oil (5W-30 VW 507 00), and adherence to service intervals greatly enhance longevity. Well-maintained units reliably exceed 200,000 km.

Primary issues include high-pressure fuel pump wear due to cam follower lobe degradation, timing chain tensioner failure, and EGR/intake carbon buildup. DPF clogging from short trips and turbo actuator sticking are also reported. These are documented in Audi service bulletins and addressed through revised components from 2019 onward.

The CVKB engine was used in the Audi A3 (8V, 2017–2021), A4 (B9, 2017–2021), and A1 (8Y, 2019–2021) as the 2.0 TDI 150 PS variant. It also appears in Volkswagen Group models like the Mk7.5 Golf. All variants meet Euro 6d-TEMP emissions standards.

Yes. The CVKB responds well to ECU remapping, with stage 1 tunes typically achieving 180–200 PS safely. Stock internals handle moderate increases, but supporting mods (intercooler, exhaust) are recommended for higher power. Tuning should preserve factory safety margins to avoid EGR/DPF strain or fuel system overload.

In combined driving, expect 4.8–5.6 L/100km (50–59 mpg UK). Highway efficiency improves to ~4.3 L/100km (~65 mpg UK), while city driving may reach 6.3 L/100km (~45 mpg UK). Real-world consumption depends on driving style and route. Start-stop systems in later models improve urban economy.

Yes. The CVKB is an interference engine, meaning a timing failure can result in piston-to-valve contact and severe internal damage. Proper chain maintenance and timely repairs are essential. Any timing-related warning should be addressed immediately to prevent catastrophic engine failure.

Audi specifies SAE 5W-30 oil meeting VW 507 00 (diesel) or 505 00 (multi) standards. Use only ACEA C2/C3 or OEM-approved low-SAPS synthetics. Change oil every 15,000 km or annually to protect the turbo, EGR, and fuel system from wear and coking.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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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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