Audi Engine Codes Database

An Audi engine code (e.g., EA888, EA288, CWVA) identifies the engine family, fuel type, displacement, and generation. EA888 denotes a turbocharged petrol four-cylinder (TFSI), while EA288 indicates a turbocharged diesel four-cylinder (TDI). The code determines compatible service parts, ECU calibrations, and emissions compliance standards. Always verify the full code before ordering components. Source: Audi AG ELSA Document A00.5501.00.00.

Audi EA288 TDI engines (2014–Present) are generally robust with proper maintenance, often exceeding 150,000 miles without major failure. Common issues include EGR cooler faults (Service Bulletin SI-2018-112) and DPF clogging in urban use. Strict adherence to VW 507.00 oil specification and regular regeneration cycles are critical. Post-2015 models include updated SCR/AdBlue systems for Euro 6 compliance. Source: Audi AG Service Information.

Most modern Audi engines (EA888, EA288, V6 TDI) utilise hydraulic roller timing chains designed for the vehicle's lifespan. Early TFSI engines (pre-2012 EA888 Gen 1/2) experienced timing chain tensioner wear; updated Gen 3 (2015+) features improved tensioners. Always verify your specific engine code, as some older five-cylinder units used belts requiring 120,000-mile replacement. Source: Audi Service Bulletin SI-2019-044.

Audi specifies VW 504.00/507.00 fully synthetic oil for most TFSI and TDI engines. Change intervals are 12,500 miles or 12 months, whichever occurs first. Short-trip or track usage requires 6,000-mile intervals to prevent sludge buildup in hydraulic tensioners and HPFP. Incorrect viscosity compromises valvelift system operation and voids warranty coverage. Source: Audi Owner's Manual, VW Group Oil Specification List.

Engine swaps require DVLA notification, ECU recalibration, and potential MoT re-certification for emissions compliance. Swapping an EA288 TDI for an EA888 TFSI is mechanically possible within VW Group platforms but requires custom wiring harnesses, modified engine mounts, and updated exhaust routing. All modifications must comply with UK IVA regulations and Euro 6d standards. Professional certification is mandatory for road legality.

Models from 2015–2018 typically meet Euro 6, while 2019–present builds comply with Euro 6d/WLTP. EA888 engines transitioned from Euro 5 (2010) to Euro 6 (2015) via software and catalytic upgrades. Check your V5C registration document or VIN decoder for exact emissions classification. Non-compliant modifications may fail MoT or incur ULEZ charges in London. Source: VCA Type Approval Database.

Yes. High-performance codes (e.g., 3.0 TFSI V6, 4.0 TFSI V8) are rated Group 45–50, increasing premiums. PHEV variants (Q5 55 TFSI e) may attract higher repair cost classifications due to hybrid system complexity. Insurers cross-reference VCA type-approval data and engine codes for valuation. Always declare correct codes to avoid policy invalidation during claims.

EA888 Gen 3 (2015–Present) engines demonstrate strong reliability when maintained to VW Group specifications. Known issues include intake valve carbon buildup (direct injection limitation) and early Gen 1/2 timing chain tensioner wear (pre-2012). Audi applies revised ECU mapping and strengthened motor mounts to mitigate vibration. Regular walnut blasting and VW 504.00 oil changes extend lifespan beyond 120,000 miles.

Yes, but production is declining. The EA288 TDI engine is still used in the A4 35 TDI, Q5 40 TDI, and Q7 50 TDI (2024 UK models). However, Audi plans to phase out new diesel development by 2033 in line with EU emissions targets and electrification strategy. All new model launches from 2026 onward will be electric-only. Source: Audi AG Sustainability Report 2023.

Audi e-tron and Q4 e-tron battery packs are warrantied for 8 years or 100,000 miles with minimum 70% capacity retention. Thermal management systems prevent degradation under track conditions. Long-term data is limited as production began in 2018. Lithium-ion chemistry typically retains 80% capacity after 1,500 charge cycles. Replacement modules are serviced exclusively at authorised centres due to high-voltage certification requirements.

On the A4 B9 with EA888 TFSI, the engine code is on a white adhesive label affixed to the front timing cover, driver's side, near the oil filler. For EA288 TDI models, check the white label near the oil filler cap or stamped into the block near the exhaust manifold. Clean the area before reading. Source: Audi ELSA Document A00.5501.00.00.

On the UK V5C registration document, look for the 'Engine Number' field (not VIN). This matches the engine code (e.g., EA888, EA288, CWVA). If the engine was replaced under warranty or privately, this may not reflect the current unit. Always verify physically against the block marking or cam cover label.

EA888 is a 2.0L turbocharged petrol four-cylinder (TFSI) with direct injection and valvelift system. EA288 is a 2.0L turbocharged diesel four-cylinder (TDI) with common rail injection and SCR/AdBlue. Both share modular architecture, cylinder spacing, and mounting points within VW Group platforms. EA888 powers A4 40 TFSI, Q5 45 TFSI; EA288 powers A4 35 TDI, Q5 40 TDI.

Yes. The engine code (e.g., EA888, EA288, CWVA) is required for ordering correct parts (ECU, turbo, injectors). Using VIN alone can lead to errors, especially on VW Group platforms with shared powertrains. Always verify with the physical engine code stamped on the block or cam cover. Source: Audi Parts Catalogue, ETKA.

Yes. All modern Audi production engines (EA888, EA288, V6 TDI, V8 TFSI) are interference engines. If the timing chain fails, internal damage is likely. Immediate towing and professional assessment required. Regular oil changes with correct VW specification are critical to prevent chain tensioner failure.

EA888 TFSI direct injection engines are prone to intake valve carbon buildup as fuel does not wash the valves. Symptoms include rough idle, reduced power, and MIL illumination. Recommended service: walnut blasting at 80,000+ miles. Source: Audi Service Bulletin SI-2019-044.

Yes, but must be declared to DVLA. Changing engine code (e.g., EA288 TDI to EA888 TFSI) may affect MoT, insurance, and emissions compliance. Professional certification is mandatory for road legality under UK IVA regulations and Euro 6d standards.

Yes. The Q5 55 TFSI e and A7 55 TFSI e use the EA888 2.0L TFSI petrol engine paired with an electric motor and 14.1 kWh battery. The engine is calibrated for hybrid operation with torque fill and regenerative braking integration. Source: Audi AG Powertrain Technical Brief PHEV-2021-003.

Positions 4–7 of the VIN indicate model lineage, while position 7 typically denotes engine family for Audi vehicles (e.g., 'E' for EA888, 'D' for EA288). Use an Audi-specific VIN decoder for accurate extraction, as generic tools may misinterpret VW Group coding. Source: Audi ELSA Document A00.5501.00.00.

Use Audi AG Technical Information System (ELSA), Product Technical Reports, or Service Information Bulletins. Public data also in VCA type-approval documents and EU Regulation (EC) No 715/2007 records. Source: CELEX:32007R0715.