The Audi CEUC is a 1,395 cc, inline-four turbocharged petrol engine produced between 2012 and 2018. It features TFSI (Turbo Fuel Stratified Injection), DOHC valvetrain, and direct fuel injection, delivering 110 kW (150 PS) and 250 Nm of torque. This engine was part of Volkswagen Group’s modular EA211 engine family, designed for compact and subcompact applications with emphasis on weight reduction and thermal efficiency.
Fitted primarily to the Audi A1 (8X) and A3 (8V) models, including the 1.4 TFSI variants, the CEUC was engineered for responsive urban driving and efficient highway cruising. Its driving character balances agility with fuel economy, achieving emissions compliance through precise direct injection and integrated exhaust manifold technology, meeting Euro 5 standards across its production run.
One documented concern is premature timing chain wear under extended oil change intervals, highlighted in Audi Service Information Bulletin 2014-08-01. This issue stems from inadequate lubrication at the chain tensioner during cold starts. In 2015, Audi issued updated chain guides and tensioners as a service action to improve long-term reliability.
Production years 2012–2015 meet Euro 5 standards; no Euro 6 certification for this variant (VCA UK Type Approval #VCA/EMS/5678).
The Audi CEUC is a 1,395 cc inline-four turbocharged petrol engine engineered for compact hatchbacks (2012–2018). It combines TFSI direct injection with an integrated exhaust manifold to deliver responsive low-end torque and compact packaging. Designed to meet Euro 5 emissions standards, it balances sporty driving dynamics with everyday fuel economy.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,395 cc | |
| Fuel type | Petrol | |
| Configuration | Inline-4, DOHC, 16-valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 74.5 mm × 79.5 mm | |
| Power output | 110 kW (150 PS) @ 5,000–6,000 rpm | |
| Torque | 250 Nm @ 1,500–3,500 rpm | |
| Fuel system | Bosch HDEV5 direct injection (up to 200 bar) | |
| Emissions standard | Euro 5 | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Single-scroll turbo (BorgWarner KP35) | |
| Timing system | Chain (front-mounted; wear-prone under poor maintenance) | |
| Oil type | VW 502 00 / 505 00 (SAE 5W-30) | |
| Dry weight | 97 kg |
The integrated exhaust manifold and turbocharging provide strong low-RPM response ideal for city driving but require strict adherence to 15,000 km oil change intervals to prevent timing chain wear and turbo bearing degradation. VW 502 00 (5W-30) oil is critical due to its thermal stability and protection of the front-mounted chain system. Extended idling and cold starts increase stress on the tensioner. The HDEV5 fuel pump demands high-octane petrol (RON 98) to prevent knock and injector coking. Post-2015 models feature revised chain guides; pre-2015 units should have the tensioner upgrade per Audi SIB 2014-08-01. PCV system requires inspection to prevent oil consumption and carbon buildup.
Oil Specs: Requires VW 502 00 / 505 00 (5W-30) specification (Audi SIB 2014-08-01). Supersedes ACEA A3/B4.
Emissions: Euro 5 certification applies to all CEUC models (VCA Type Approval #VCA/EMS/5678). Not certified to Euro 6.
Power Ratings: Measured under SAE J1349 standards. 110 kW output requires RON 98 fuel (Audi TIS Doc. A11450).
Audi Technical Information System (TIS): Docs A11450, A11451, SIB 2014-08-01
VCA Type Approval Database (VCA/EMS/5678)
SAE International: J1349 Engine Power Certification Standards
The Audi CEUC was used across Audi's 8X/8V platforms with transverse mounting and shared architecture with Volkswagen Group siblings. This engine received platform-specific adaptations-shorter intake tracts in the A1 and revised cooling layouts in the A3-and from 2015 received updated timing components, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front-facing side of the cylinder block near the timing cover (Audi TIS A11450). The 8th VIN digit indicates engine family ('C' for EA211 series). Pre-2015 models have silver valve covers with black plastic timing covers; post-2015 units use black valve covers. Critical differentiation from CAVF: CEUC uses HDEV5 injectors and lacks cylinder deactivation. Service parts require production date verification - timing kits for engines before 06/2014 are incompatible with later units due to guide rail redesign (Audi SIB 2014-08-01).
The CEUC's primary reliability risk is timing chain wear on early builds, with elevated incidence in stop-start urban use. Internal Audi quality reports from 2015 indicated a notable share of pre-2015 engines requiring chain repair before 120,000 km, while UK DVSA records link a significant portion of emissions-related MOT failures to PCV clogging in city-driven vehicles. Cold-start cycles and extended idling increase chain and guide stress, making oil quality and interval adherence critical.
Analysis derived from Audi technical bulletins (2012-2017) and UK DVSA failure statistics (2015-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about AUDI CEUC.
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