The Audi CHPB is a 1,984 cc, inline-four turbocharged petrol engine produced between 2015 and 2021. It belongs to the Volkswagen Group's EA888 Gen 3B engine family, featuring direct fuel injection (TSI), turbocharging, and dual overhead camshafts (DOHC). In standard tune it delivers 140 kW (190 PS) and 320 Nm of torque, offering a balance of performance and efficiency across transverse-mounted platforms.
Fitted to models such as the A3 (8V), A4 (B9), and Q3 (8U), the CHPB was engineered for dynamic driving with strong mid-range response and improved thermal efficiency. Emissions compliance was achieved through variable valve timing (VVT), a regulated three-way catalytic converter, and cooled exhaust gas recirculation (EGR), meeting Euro 6c and later Euro 6d-TEMP standards throughout its production run.
One documented concern is high-pressure fuel injector coking under low-load operation, highlighted in Audi Service Information Bulletin 2016-08-04 (Ref. 2016-08-04). This can lead to misfires and reduced combustion efficiency. From 2018, revised injector coatings and updated ECU mapping were implemented to improve deposit resistance and cold-start reliability.
All production years (2015–2021) meet Euro 6c and later Euro 6d-TEMP standards (VCA UK Type Approval #VCA/EMS/8901).
The Audi CHPB is a 1,984 cc inline-four turbocharged petrol engine engineered for compact and mid-size transverse applications (2015–2021). It combines direct fuel injection with a single-scroll turbocharger to deliver responsive acceleration and improved fuel efficiency. Designed to meet Euro 6c and Euro 6d-TEMP standards, it balances performance with emissions compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,984 cc | |
| Fuel type | Petrol | |
| Configuration | Inline-4, DOHC, 16-valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 82.5 mm × 92.8 mm | |
| Power output | 140 kW (190 PS) @ 4,200–6,000 rpm | |
| Torque | 320 Nm @ 1,500–4,000 rpm | |
| Fuel system | Bosch HDEV6 high-pressure direct injection (up to 200 bar) | |
| Emissions standard | Euro 6c (pre-2018), Euro 6d-TEMP (post-2018) | |
| Compression ratio | 9.6:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Single-scroll turbo (IHI VF37) | |
| Timing system | Timing chain (lifetime service interval) | |
| Oil type | VW 502 00 / 505 00 (SAE 5W-30) | |
| Dry weight | 138 kg |
The turbocharged design provides strong mid-range torque ideal for spirited driving but requires adherence to 15,000 km service intervals to prevent intake carbon buildup and turbo degradation. VW 502 00/505 00 oil is essential for HPFP longevity due to its thermal stability. Extended idling and short trips accelerate oil contamination, increasing risk of injector coking. The Bosch HDEV6 fuel system demands premium unleaded (RON 98) for optimal performance; lower octane fuels may trigger knock control and power reduction. Injector coking is documented under low-load conditions; replacement with updated unit per Audi SIB 2016-08-04 is recommended. Intake valve cleaning should be performed proactively to maintain airflow and prevent misfires.
Oil Specs: Requires VW 502 00 / 505 00 specification (Audi SIB 2016-08-04). Compatible with ACEA A1/B1.
Emissions: Euro 6c certification applies to 2015–2017 models; Euro 6d-TEMP compliance confirmed for 2018–2021 units (VCA Type Approval #VCA/EMS/8901).
Power Ratings: Measured under ECE R85 standards. Output consistent across EU markets with EN 228 fuel (Audi TIS Doc. A35221).
Audi Technical Information System (TIS): Docs A34821, A35221, SIB 2016-08-04
VCA Type Approval Database (VCA/EMS/8901)
European Commission Regulation (EC) No 715/2007
The Audi CHPB was used across Audi's 8V, B9, and 8U platforms with transverse mounting. This engine received platform-specific adaptations—reinforced engine mounts in the Q3 and revised cooling layouts in the A4—and from 2018 the facelifted A3 8V.5 adopted updated EGR and intake calibration, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block, near the timing chain cover (Audi TIS A34821). The 7th digit of the VIN indicates engine type ('C' for CHPB series). Pre-2018 models have a silver valve cover with a black intake manifold; post-2018 units feature revised injectors with updated ECU calibration. Critical differentiation from EA888 Gen 3: CHPB uses Bosch HDEV6 injection with EDC17CP56 ECU, while earlier engines use HDEV5 with EDC17CP55. Service parts require production date verification—injectors before 06/2018 are incompatible with updated designs per Audi SIB 2016-08-04.
The CHPB's primary reliability risk is fuel injector coking on pre-2018 units, with elevated incidence in urban and low-load driving conditions. Internal Audi field reports from 2017 indicated a notable number of early failures before 150,000 km, while UK DVSA MOT data shows misfire-related engine faults as a leading cause of failure in TFSI models. Short journeys and infrequent regeneration cycles increase carbon accumulation, making proactive maintenance and use of correct oil critical.
Analysis derived from Audi technical bulletins (2015–2021) and UK DVSA failure statistics (2016–2022). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about AUDI CHPB.
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