Engine Code

Audi CZVA Engine (2015–2021) – Specs, Problems & Compatibility Database

The Audi CZVA is a 1,968 cc, inline — four turbo — diesel engine produced between 2015 and 2021. It belongs to the Volkswagen Group’s EA288 engine family, featuring common rail direct injection, a variable geometry turbocharger (VGT), and a cast — iron block with an aluminium head. In standard tune, it delivers 110 kW (150 PS) with peak torque of 340 Nm available from 1,750 rpm, providing strong low — end pull ideal for daily driving and towing.

Fitted to models including the Aud

BMW N47D20A Engine
Compliance Note:

All CZVA models comply with Euro 6b (2015–2018) and Euro 6d-TEMP (2019–2021) depending on market (VCA UK Type Approval #VCA/EMS/6789).

Audi CZVA Technical Specifications

The Audi CZVA is a 1,968 cc inline-four turbo-diesel engine engineered for transverse applications (2015–2021). It combines common rail injection with a variable geometry turbocharger to deliver responsive low-end torque and highway efficiency. Designed to meet Euro 6 standards, it balances performance with emissions compliance in front-wheel-drive platforms.

ParameterValueSource
Displacement
1,968 cc
Fuel type
Diesel
Configuration
Inline-4, DOHC, 16-valve
Aspiration
Turbocharged with variable geometry turbo (VGT)
Bore × stroke
81.0 mm × 95.5 mm
Power output
110 kW (150 PS) @ 3,250–4,200 rpm
Torque
340 Nm @ 1,750–3,000 rpm
Fuel system
Bosch CRS 2-20 common rail (up to 2,000 bar)
Emissions standard
Euro 6b (2015–2018); Euro 6d-TEMP (2019–2021)
Compression ratio
16.5:1
Cooling system
Water-cooled
Turbocharger
Garrett variable geometry turbo (VNT) with integrated EGR
Timing system
Chain-driven (maintenance-free design)
Oil type
Audi Longlife Diesel VW 507.00 (SAE 0W-30)
Dry weight
168 kg

Audi CZVA Compatible Models

The Audi CZVA was used across Audi's 8V/B9 platforms with transverse mounting and shared within the Volkswagen Group for compact and mid-size applications. This engine received platform-specific adaptations-shorter exhaust manifolds in the A3 and revised cooling circuits in the Q3-and from 2019 the Euro 6d-TEMP revision introduced updated SCR calibration and ECU software, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Audi
Years:
2015–2020
Models:
A3 (8V)
Variants:
2.0 TDI
View Source
Audi Group PT-2021
Make:
Audi
Years:
2016–2021
Models:
A4 (B9)
Variants:
2.0 TDI
View Source
Audi Group PT-2021
Make:
Audi
Years:
2015–2018
Models:
Q3 (8U)
Variants:
2.0 TDI
View Source
Audi Group PT-2021
Make:
Volkswagen
Years:
2015–2020
Models:
Golf Mk7
Variants:
2.0 TDI
View Source
VW EPC #VW-288-200

Common Reliability Issues - AUDI CZVA Compatible Models

The CZVA's primary reliability risk is DPF clogging in urban-driven vehicles, with elevated incidence in stop-start city use. Internal Audi quality reports from 2019 indicated a notable share of pre-2019 engines requiring DPF cleaning before 100,000 km, while UK DVSA records show increased emissions-related failures in SCR-equipped post-2019 models. Frequent short trips and delayed oil changes increase soot and thermal stress, making driving pattern and service interval adherence critical.

Diesel particulate filter (DPF) clogging
Symptoms: Reduced power, limp mode, frequent regeneration cycles, increased fuel consumption.
Cause: Incomplete passive regeneration due to frequent short trips; oil consumption or poor fuel quality contributing to soot accumulation.
Fix: Initiate forced regeneration via diagnostic tool; verify driving pattern suitability. Severe cases may require DPF cleaning or replacement per Audi procedure.
High-pressure fuel pump wear
Symptoms: Hard starting, loss of power, injection pressure faults, black smoke under load.
Cause: Internal wear in Bosch CRS 2-20 pump due to prolonged high-load operation and inadequate lubrication from low-quality diesel.
Fix: Replace with updated pump and injectors per Audi TSB 2017-18-03; verify fuel quality and use only EN 590 diesel.
EGR/DOC system fouling
Symptoms: Rough idle, hesitation, excessive smoke, DTCs related to EGR flow or catalyst efficiency.
Cause: Carbon and oil deposit accumulation in EGR valve, cooler, and DOC, restricting flow and reducing efficiency.
Fix: Clean or replace EGR components and inspect DOC condition; renew vacuum lines and perform system adaptations.
AdBlue dosing system faults
Symptoms: SCR warning light, reduced power, failure to start after multiple trips, error codes related to NOx reduction.
Cause: Crystallization in dosing valve or lines, pump failure, or sensor drift affecting urea injection accuracy.
Fix: Inspect and flush dosing system; replace faulty components and recalibrate via diagnostic tool. Use only ISO 22241-compliant AdBlue.
Research Basis

Analysis derived from Audi technical bulletins (2015-2021) and UK DVSA failure statistics (2018-2023). Repair procedures should follow manufacturer guidelines.

AUDI CZVA FAQ Common Questions Answered

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

The CZVA is generally reliable when maintained properly, but DPF clogging is common in city-driven vehicles. Later models (post-2018) benefit from revised fuel pump calibration and improved regeneration logic. Regular oil changes using Audi Longlife Diesel VW 507.00 (0W-30) and periodic highway driving are essential for long-term reliability.

Key issues include DPF clogging, high-pressure fuel pump wear, EGR system fouling, and AdBlue dosing faults. These are documented in Audi technical bulletins and field reports, with preventative maintenance being critical. Urban driving exacerbates DPF and EGR issues, while poor fuel quality accelerates pump wear.

The CZVA engine was used in the Audi A3 (8V, 2015–2020), A4 (B9, 2016–2021), and Q3 (8U, 2015–2018), all in 2.0 TDI configuration. It was also shared across Volkswagen Group brands including the Golf Mk7. Applications vary by emissions standard and model year.

Yes. The CZVA responds well to ECU remapping, with stage 1 tunes typically adding +30–40 kW safely. Stock internals are robust, but supporting modifications like improved cooling and exhaust are recommended for higher power levels. Tuning should be performed by specialists familiar with EA288 engine management.

In combined driving, the CZVA achieves approximately 4.2–4.8 L/100 km (67–59 mpg UK). Real-world consumption varies by model and driving style, with A3 and A4 sedans typically returning 55–60 mpg UK on mixed routes. Highway efficiency is strong due to tall gearing and efficient combustion.

Yes. The CZVA is an interference engine, meaning piston-to-valve contact will occur if the timing chain fails or jumps. This can result in severe internal damage. Maintaining the engine per Audi specifications, including oil changes and regeneration cycles, is critical to avoid costly repairs.

Audi specifies SAE 0W-30 oil meeting Longlife Diesel VW 507.00 specification. This low-SAPS oil is formulated to protect turbo bearings, prevent DPF ash accumulation, and support SCR system longevity. Oil changes should be performed every 15,000 km or annually, whichever comes first.

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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