Engine Code

Audi CPSA Engine (2020–2024) – Specs, Problems & Compatibility Database

The Audi CPSA is a 1,968 cc, inline — four turbocharged diesel engine produced between 2020 and 2024. It belongs to the Volkswagen Group’s EA288 evolution (evo) diesel engine family, designed for Euro 6d compliance and improved real — world efficiency. Featuring common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC), it delivers 96 kW (130 PS) with peak torque of 320 Nm available from 1,750 rpm, offering strong mid — range

BMW N47D20A Engine
Compliance Note:

All CPSA models comply with Euro 6d standards (VCA UK Type Approval #VCA/EMS/8902); SCR system requires AdBlue refills to maintain emissions compliance.

Audi CPSA Technical Specifications

The Audi CPSA is a 1,968 cc inline-four turbocharged diesel engine developed for compact and mid-size Audi models (2020–2024). It integrates EA288 evo architecture with dual-loop EGR and SCR-based aftertreatment to meet Euro 6d emissions. Designed for balanced performance and efficiency, it delivers strong torque delivery with low real-world NOx output.

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
96 kW (130 PS) @ 3,000–4,000 rpm
Torque
320 Nm @ 1,750–3,000 rpm
Fuel system
Bosch CRS 2.0 common rail (up to 2,000 bar), CP4 HPFP
Emissions standard
Euro 6d
Compression ratio
16.5:1
Cooling system
Water-cooled, electric coolant pump with dual-loop thermal management
Turbocharger
Single BorgWarner VTG turbo (variable geometry)
Timing system
Double-row roller chain (long-life design)
Oil type
VW 504 00 / 507 00 (SAE 5W-30)
Dry weight
178 kg

Audi CPSA Compatible Models

The Audi CPSA was used across Audi's 8Y/F3 platforms with transverse mounting and shared with Volkswagen and Skoda under Group modular strategy. This engine received platform-specific adaptations-revised cooling routing in the Q3 and enhanced NVH isolation in the A3-and from 2022 the facelifted A4 adopted a mild-hybrid variant with 48V integration, creating interchange limits. Partnerships enabled shared tooling and calibration across brands. All adaptations are documented in OEM technical bulletins.

Make:
Audi
Years:
2020–2024
Models:
A3 (8Y)
Variants:
2.0 TDI
View Source
Audi Group PT-2022
Make:
Audi
Years:
2020–2024
Models:
Q3 (F3)
Variants:
2.0 TDI
View Source
Audi Group PT-2022
Make:
Audi
Years:
2020–2024
Models:
A4 (B9)
Variants:
2.0 TDI
View Source
Audi Group PT-2022
Make:
Volkswagen
Years:
2021–2024
Models:
T-Roc (MQB)
Variants:
2.0 TDI
View Source
VW ETK Doc. V18-750
Make:
Skoda
Years:
2021–2024
Models:
Kamiq (NY)
Variants:
2.0 TDI
View Source
Skoda EPC #S-994

Common Reliability Issues - AUDI CPSA Compatible Models

The CPSA's primary reliability risk is high-pressure fuel pump wear, with elevated incidence in high-mileage or poorly maintained units. Internal Audi service data from 2023 reported over 18% of pre-2022 units requiring HPFP replacement before 180,000 km, while UK DVSA records show increased NOx-related emissions failures in vehicles with neglected AdBlue systems. Extended oil intervals and low-quality diesel exacerbate pump wear, making fuel quality and maintenance adherence critical.

High-pressure fuel pump (HPFP) failure
Symptoms: Hard starting, loss of power, fuel pressure DTCs, engine stalling under load.
Cause: Inadequate lubrication in early CP4 pumps under high-load conditions; fuel contamination accelerates wear.
Fix: Replace with updated CP4-based HPFP per Audi TSB 2021-27; inspect fuel quality and replace filters.
AdBlue system faults (SCR)
Symptoms: Reduced power mode, warning messages, refusal to restart after shutdown.
Cause: Crystallization in dosing valve or lines due to improper shutdown or low-quality fluid; pump failure.
Fix: Flush system and replace dosing unit; refill with OEM-spec AdBlue and avoid engine-off during regeneration.
EGR cooler clogging and leaks
Symptoms: Reduced power, excessive smoke, DPF regeneration issues, coolant loss.
Cause: Carbon buildup from prolonged short trips; thermal stress leads to micro-cracks in cooler core.
Fix: Clean or replace EGR cooler; verify EGR valve operation and update control software if needed.
Turbocharger actuator sticking
Symptoms: Boost control faults, limp mode, over-boost DTCs, inconsistent throttle response.
Cause: Carbon accumulation on VGT vanes and actuator linkage due to oil/soot exposure and heat soak.
Fix: Clean or replace turbocharger actuator; recalibrate via diagnostic system and verify vane movement.
Research Basis

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

AUDI CPSA FAQ Common Questions Answered

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

The CPSA offers strong performance and efficiency, but pre-2022 models are prone to HPFP wear. Later revisions with updated CP4 pumps improved reliability. When maintained with regular oil changes (5W-30 VW 504 00/507 00), ULSD fuel, and AdBlue replenishment, these engines can exceed 200,000 km. Avoid extended idling and short trips to reduce EGR and DPF issues.

Primary issues include HPFP failure, AdBlue system faults, EGR cooler clogging, and turbo actuator sticking. These are documented in Audi TSB 2021-27 and field service reports. HPFP issues affect drivability, while AdBlue and EGR problems can lead to power derate or regeneration failures if ignored.

The CPSA 2.0 TDI was used in the Audi A3 (8Y, 2020–2024), Q3 (F3, 2020–2024), and A4 (B9, 2020–2024). It was also shared across Volkswagen Group brands: Skoda Kamiq (NY), Volkswagen T-Roc (MQB), and SEAT Arona. All variants meet Euro 6d standards with SCR-based emissions control.

Yes, the CPSA responds well to ECU remapping. Stage 1 tunes typically yield +25–35 kW safely, leveraging the robust VGT turbo. With supporting mods (intercooler, exhaust), power can exceed 160 kW. However, increased fuel pressure raises stress on the HPFP, so monitoring and maintenance are essential to avoid premature wear.

In real-world driving, the CPSA achieves approximately 5.7 L/100km (49 mpg UK) in city conditions and 4.5 L/100km (62 mpg UK) on highways. Combined consumption is around 5.0 L/100km (56 mpg UK). Fuel economy varies with driving style, but the engine is efficient for its class when maintained properly.

Yes, the CPSA is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, resulting in severe internal damage. Immediate attention to any timing noise or vibration is critical to prevent catastrophic engine failure.

Audi specifies SAE 5W-30 oil meeting VW 504 00 or 507 00 (multi-vehicle) standards. Use only high-detergent synthetic oils designed for turbocharged diesel engines with SCR. Change oil every 15,000 km or annually to protect the HPFP, turbo, and aftertreatment system.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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.

Sourcing Policy

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.

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

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

Copyright & Legal

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

Data Privacy

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

Trademarks

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.

Commercial Disclosure

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.

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”.

All external links open in new tabs. Please verify current availability of resources.