How much does an Audi A3 2.0 TDI engine replacement cost-

The cost varies based on the engine's condition and specific code (e.g., CUNA vs DFGA). Used engines typically range from £900 to £2,500. Reconditioned units cost between £2,200 and £4,500. Fully rebuilt engines with warranties range from £3,200 to £6,000.

What are the signs of EGR or DPF failure in an Audi A3 2.0 TDI-

Emissions system failures are the most common reason for Audi A3 2.0 TDI engine replacement requests. Persistent engine management light (EML) with DPF/EGR codes. Noticeable loss of power or frequent limp mode activation. Excessive black smoke from the exhaust or a strong sulphur smell.

Is it worth replacing the engine in an older Audi A3 2.0 TDI-

It depends on the vehicle's current market value and overall condition. For 2013-2016 models valued around £6,000-£10,000, a £3,000+ rebuilt engine is a sound investment if the rest of the car is well-maintained. For sub-£4,000 examples, a cheaper used engine or evaluating the scrap value may be more financially prudent.

How long does an Audi A3 2.0 TDI engine replacement take-

A professional supply and fit service is highly efficient and minimises downtime. The physical removal and installation typically takes 8 to 11 hours of labour. Most UK specialists can complete the entire supply and fit process within 2 to 3 working days. This includes ECU adaptation, fluid top-ups, and comprehensive road testing.

What is the difference between the CUNA and DFGA engine codes in the Audi A3 2.0 TDI-

They represent different generations of the 2.0L diesel architecture with distinct maintenance profiles. CUNA is an EA189 engine (2013-2020) known for high torque but susceptible to DPF/EGR coking. DFGA is the newer EA288 evo engine (2020-present) featuring twin-dosing AdBlue for stricter emissions. The DFGA is generally more robust but introduces different AdBlue system failure points to monitor.

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Audi A3 2.0 TDI Engine

from£3,200 to £6,000

Usedfrom £900
Reconditionedfrom £2,200
Common codesCUNA, CRLB, DFGA

Audi a3Used Engine — CUNA

Audi a3 2.0 TDI Reconditioned Engine — CUNA

Audi a3Reconditioned Engine — CUNA

Audi a3Rebuilt Engine — CUNA

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How it works

3 Simple Steps to Finding the Right Replacement Engine

Clear information first, then the right engine and specialist for your exact vehicle.

Variant History

Audi A3 2.0 TDI Engine History & Specs at a Glance

When the 2.0 TDI badge launched in the A3 range, it established itself as the definitive high-torque, high-efficiency diesel choice, evolving from robust Pumpe Düse (PD) units to the refined common-rail EA189 and later the advanced EA288 engines.

2006
BMN (2.0L TDI PD, 170hp) introduced for high-spec 8P models, offering strong performance but requiring strict maintenance.
2009
Transition to common-rail EA189 2.0 TDI (CFFB/CFHC, 140-150hp) for improved refinement, efficiency, and emissions compliance.
2013
8V generation launch featuring the updated EA189 (CUNA 150hp/184hp, CRLB 184hp) with enhanced turbocharging and efficiency.
2020
8Y generation introduces the EA288 evo 2.0 TDI (DFGA, 150hp), featuring twin-dosing AdBlue technology for strict Euro 6d compliance and improved long-term reliability.

Every engine fitted to the Audi A3 2.0 TDI is covered below, with UK rebuilt pricing and known failure points.

Engine Codes & Pricing

Audi A3 2.0 TDI Engine Codes Specifications & Replacement Cost

Find your exact engine code, specs and UK replacement cost guide.

CUNA — 2.0L Diesel (2013-2020)

Power Output: 150hp / 184hp
Years Fitted: 2013-2020

Can’t find your exact engine code?-> Get quotes for CUNA Audi A3 2.0 TDI engine replacement

-> Get quotes for CUNA Audi A3 2.0 TDI engine replacement

Common failure points and repair options

EGR Valve & DPF Blockage

Affected: Audi A3 2.0 TDI (CUNA, CFHC, CFFB, 2009-2020)
Typical failure mileage: 80,000-150,000 miles

Root cause

Frequent short trips prevent the DPF from reaching optimal regeneration temperatures, while the EGR valve accumulates carbon soot, restricting airflow and potentially contaminating the oil system.

Repair options

Repair tier	Dealer price	Specialist price
Cleaning/Service	£400-£800	£200-£500
Full Replacement - rebuilt/reconditioned engine	£4,500-£7,000	£3,200-£5,000

Our recommendation

If the engine block is intact and compression is good, a specialist DPF/EGR clean or component replacement is the most cost-effective first step. However, if the turbocharger has failed and sent debris into the oil system, a full rebuilt engine replacement is the only safe long-term solution.

-> Compare rebuilt CUNA Audi A3 2.0 TDI engine prices

AdBlue System & EGR Cooler Leaks

Affected: Audi A3 2.0 TDI (DFGA, 2020-present)
Typical failure mileage: 60,000-100,000 miles

Root cause

Crystallisation of AdBlue fluid can block dosing lines or damage the NOx sensor, while thermal stress can cause the EGR cooler to develop internal coolant leaks into the combustion chamber.

Repair options

Repair tier	Dealer price	Specialist price
AdBlue System Repair	£800-£1,500	£400-£800
Full Replacement - rebuilt/reconditioned engine	£5,500-£8,000	£3,800-£6,000

Our recommendation

Address AdBlue warnings immediately. Early intervention with a specialist sensor or dosing unit replacement is inexpensive compared to the catastrophic engine failure that can result from ignored coolant leaks into the combustion chamber.

-> Compare rebuilt DFGA Audi A3 2.0 TDI engine prices

Don't Let Engine Failure Write Off Your Audi A3 2.0 TDI

Navigating diesel engine repairs can be complex, but you do not have to accept main dealer premiums. By comparing quotes through EnginesMarket, you gain access to vetted UK specialists who provide rebuilt Audi A3 2.0 TDI engines with upgraded components, comprehensive 12-month unlimited-mileage warranties, and nationwide supply & fit options.

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FAQ

Audi A3 2.0 TDI Engine ReplacementFrequently Asked Questions

Everything Audi A3 2.0 TDI owners usually ask before choosing a rebuilt, reconditioned or used replacement engine.

They represent different generations of the 2.0L diesel architecture with distinct maintenance profiles.

CUNA is an EA189 engine (2013-2020) known for high torque but susceptible to DPF/EGR coking.
DFGA is the newer EA288 evo engine (2020-present) featuring twin-dosing AdBlue for stricter emissions.
The DFGA is generally more robust but introduces different AdBlue system failure points to monitor.

-> Confirm your exact engine code and get matched with the right specialist.

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Do not overpay for your Audi A3 2.0 TDI engine replacement. Our free, no-obligation comparison tool connects you directly with vetted UK specialists. Whether you need a budget-friendly used unit or a fully rebuilt engine with a comprehensive warranty, we ensure you get the best price for your exact engine code, without the main dealer markup.

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