EGR valve and cooler coking
usually 80,000–160,000 km · Medium risk
Signs: Power loss, limp mode, EGR fault codes (P0401, P0403, P2413)
Fix: Check actual EGR flow in live data, clean or replace the valve; the cooler if it is blocked
€150–900
Faults and service for this model with this engine
Audi A4 (B9) 2.0 TDI (EA288)
Diesel · 2015–2024
12
known faults
6
Faults typical of this model
46.3 %
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All about the Audi A4 (B9)All about the 1.4 / 1.6 / 2.0 TDI (EA288) engine
The 2.0 TDI (EA288) engine was fitted to the Audi A4 (B9) (2015–2024). In the EU that is 46.3 % of all new cars of this generation.
Versions: 2.0 150 hp, 2.0 190 hp, 2.0, 2.0 122 hp.
The most expensive known risk is high-pressure fuel pump (Bosch CP4): it usually appears at 150,000–300,000 km and costs €1,200–4,000 to fix.
Engine faults ✓ Checked against sources (10/2026)
✓ The faults of this engine were checked against sources (10/2026). Each item has at least two independent sources or an official recall or parts-maker technical note.
EGR cooler internal leak
usually 100,000–180,000 km · High risk
Signs: Coolant loss with no visible leak, white smoke after a cold start
Fix: Pressure-test the cooling system and replace the EGR cooler before the cylinder head is damaged
€450–1,300
Intercooler in the intake manifold cracks (coolant leak)
usually 100,000–200,000 km · High risk
Signs: Coolant loss with no visible leak, oily emulsion on the block at cylinder 4 near the bulkhead
Fix: Pressurise the cooling system and inspect the cooler with an endoscope through the charge-air temperature sensor opening; replace the intake manifold with cooler
€600–1,400
Switchable coolant pump: shroud sticks or leaks
usually 80,000–150,000 km · High risk
Signs: Overheating (shroud stuck closed) or slow warm-up and weak heating (stuck open), coolant loss, pink crust near the pump
Fix: Replace the pump, ideally together with the timing belt
€300–1,200
Coolant expansion tank: silicate bag breaks up
usually 60,000–200,000 km · Wear part
Signs: Granules in the coolant, poor cabin heating (clogged heater core)
Fix: Replace the expansion tank and flush the cooling system and heater core
€100–400
DPF clogging
usually 60,000–180,000 km · Medium risk
Signs: DPF light, regeneration every few days, rising oil level (fuel in the oil)
Fix: Longer motorway drives; check soot and ash load and the pressure sensor; forced regeneration, cleaning or replacement
€150–1,800
Oil pump drive belt (in the sump)
usually 150,000–250,000 km · Medium risk
Signs: Oil pressure warning, noise from the lower part of the engine
Fix: Stop the engine at once if the oil pressure light comes on; at high mileage replace the oil pump belt preventively
€300–600
Timing belt tensioner: revised part (engines built before 10/2016)
usually 60,000–210,000 km · Medium risk
model years 2012–2016 only
Signs: Squeal from the timing belt area; a slack belt after a belt change
Fix: Fit the revised tensioner; at a belt change loosen the camshaft and pump sprockets so the tension is even (INA instruction)
€100–300
Injector wear (return flow)
usually 150,000–250,000 km · Medium risk
Signs: Harder starting, louder clatter when cold, rough idle, high return flow on the test
Fix: Return-flow (leak-off) test; recondition or replace the injectors
€400–1,500
High-pressure fuel pump (Bosch CP4)
usually 150,000–300,000 km · Medium risk
Signs: Hard starting, power loss, rail pressure codes; metal particles can reach the injectors
Fix: Replace the pump; if there is metal debris, also injectors, rail and lines, and flush the tank
€1,200–4,000
Turbocharger: sooted vanes, actuator or bearing play
usually 150,000–250,000 km · Medium risk
Signs: Limp mode, boost pressure codes, whistling, oil in the intake
Fix: Clean the variable vanes or repair the actuator; replace or recondition the turbo
€900–2,000
Oil leak from the camshaft housing
usually 120,000–220,000 km · Wear part
Signs: Oil on top of the cylinder head, oil reaching the timing belt
Fix: Reseal the camshaft housing, usually together with the timing belt change
€300–800
Faults typical of this model ✓ Checked against sources (10/2026)
Coil springs and dampers: TÜV findings rise sharply with age
usually 100,000–250,000 km · Medium risk
Signs: Clunk over bumps or when turning, car sits lower on one corner, bouncy ride; broken spring or leaking damper found at inspection.
Fix: Replace broken springs and worn dampers in pairs per axle; on cars with adaptive dampers check the damper codes too.
€300–900
Front control arm bushes and axle mountings wear
usually 90,000–200,000 km · Medium risk
Signs: Knocking over bumps, vague or nervous steering, uneven tyre wear; play in the axle mountings at inspection.
Fix: Replace the worn arms of the five-link front axle (usually in sets per side) and align the wheels.
€300–900
MMI / Virtual Cockpit / assist systems: software glitches
usually 0–200,000 km · Wear part
Signs: MMI freezes or reboots, Bluetooth/CarPlay will not connect, Virtual Cockpit flickers; Pre Sense brakes for no reason or reports a fault.
Fix: Have the dealer install the latest MMI and assist software and recalibrate the front camera; check battery condition first, as low voltage causes many such faults.
€50–1,000
Recall: Bang & Olufsen door trim strips can come off (sharp edges)
usually 0–200,000 km · Medium risk
model years 2014–2017 only
Signs: Aluminium B&O speaker trim strip lifts or peels off the door panel and exposes sharp edges.
Fix: Check the VIN with an Audi dealer; the trims on all four doors are replaced free of charge.
free / recall
Recall: swivelling towbar locking pin may break
usually 0–200,000 km · High risk
model years 2015–2018 only
Signs: No warning; the towball may not lock properly and the trailer can come loose.
Fix: Check the VIN with an Audi dealer; the swivel mechanism is inspected and the module replaced if from the affected batch.
free / recall
Recall: airbag and belt tensioner igniters may not fire (early 2017)
usually 0–200,000 km · High risk
model years 2016–2017 only
Signs: No warning signs; in a crash an airbag or belt tensioner may not work as intended.
Fix: Check the VIN with an Audi dealer; affected airbags and belt tensioners are replaced free of charge.
free / recall
Gearboxes
Manual
Clutch wear
usually 120,000–200,000 km · Medium risk
Signs: Slipping, high bite point
Fix: Replace clutch kit
€500–900
Dual-mass flywheel
usually 150,000–220,000 km · Medium risk
Signs: Rattle at idle, vibration pulling away
Fix: Replace with clutch
€700–1,400
DSG / S tronic (wet clutch: DQ250 / DQ381 / DL501)
Wet DSG mechatronic / control unit failure
usually 80,000–220,000 km · High risk
Signs: Gearbox warning, odd or even gears (1-3-5 or 2-4-R) drop out, delayed or wrong shifts, limp mode or no drive
Fix: Diagnose with a dealer-level tester; repair the control unit / solenoids or fit a reconditioned mechatronic unit, change the oil and filter and run the adaptations
€800–2,500
DQ381 jerky low-speed downshifts and delayed take-off
usually 20,000–240,000 km · Wear part
model years 2016–2027 only
Signs: Knock or jerk when shifting down into 3rd or 2nd in traffic, a pause of 1-3 seconds before the car pulls away
Fix: Ask the dealer for the latest gearbox software, change the oil and filter and reset the adaptations; if it persists, have the mechatronic checked
€0–400
Automatic (Aisin / ZF Tiptronic)
Torque converter / valve body
usually 150,000–250,000 km · Wear part
Signs: Delayed or harsh shifts
Fix: Fluid service, repair
€300–2,500
Service plan for this engine
Typical routine maintenance cost for 100,000 km: €2,400–5,750. Sum of the services and wear parts in the plan above (about 15,000 km a year, independent workshop), without faults.
Intervals and typical prices for the Audi A4 (B9) with the 2.0 TDI (EA288) engine. The app gives the exact plan for your mileage.
| Item | Interval | Typical price |
|---|---|---|
| DPF health check (soot / ash load)Emissions | every 20,000 km | €0–60 |
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Fuel filterFuel | every 30,000 km or every 24 months | €40–110 |
| Glow plugsEngine | every 100,000 km | €120–300 |
| Timing belt kit + water pumpEngine | every 210,000 km or every 120 months | €450–900 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Manual gearbox oilTransmission | every 150,000 km | €60–130 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
Versions of this engine in the Audi A4 (B9)
| Version | Share | Years | CO₂ | Fuel use |
|---|---|---|---|---|
| 2.0 Diesel1,968 cm³ · 110 kW (150 hp) | 20.4 % | 2016–2023 | 129 g/km | — |
| 2.0 Diesel1,968 cm³ · 140 kW (190 hp) | 19.7 % | 2016–2023 | 142 g/km | 5.8 L |
| 2.0 Diesel1,968 cm³ | 2.3 % | 2016–2018 | 111 g/km | — |
| 2.0 Diesel1,968 cm³ · 90 kW (122 hp) | 2.1 % | 2016–2021 | 121 g/km | 4.4 L |
Source: European Environment Agency (EEA), monitoring of CO₂ emissions from new passenger cars, CC BY 4.0. CO₂ and fuel use are official type-approval values (WLTP from 2021), not real-world consumption.
Official recalls
Recalls the manufacturer published in the United Kingdom for this model (17). The same recalls usually apply across Europe. Ask an authorised dealer to check by VIN whether your car is affected and whether the work has been done.
- Suspension / axles Following a previous campaign the toe and/or camber values on the rear axle may in certain circumstances incorrectly be changed without this being noticed14/02/2022 · R/2022/036
- Suspension / axles Rear axle suspension links nuts do not meet specifications25/06/2021 · R/2021/236
- Steering Vehicles may have been fitted with a hinged towing bracket on which the locking mechanism in the hinge module could be faulty07/06/2021 · R/2021/204
- Seats Seat frame may not be bolted correctly to the rail on the driver and passenger sides26/10/2020 · R/2020/302
- Electronics / software Moisture may enter the belt driven starter-alternator02/10/2020 · R/2020/265
- Electronics / software Moisture may enter the belt-driven starter-alternator30/06/2020 · R/2020/138
- Steering The locking mechanism in the hinged towing bracket could be faulty03/06/2019 · R/2019/175
- Suspension / axles An error in the casting process may affect the rigidity of the shock absorber fork09/05/2019 · R/2019/149
Common questions
What are the biggest risks of the Audi A4 (B9) with the 2.0 TDI (EA288) engine?
The faults with the highest risk: intercooler in the intake manifold cracks (coolant leak) (100,000–200,000 km, €600–1,400); EGR cooler internal leak (100,000–180,000 km, €450–1,300); switchable coolant pump: shroud sticks or leaks (80,000–150,000 km, €300–1,200); high-pressure fuel pump (Bosch CP4) (150,000–300,000 km, €1,200–4,000).
Does the Audi A4 (B9) 2.0 TDI (EA288) have a timing belt or a chain?
Belt · 210,000 km / every 120 mo.
Which oil does the Audi A4 (B9) 2.0 TDI (EA288) need?
0W-30 / 5W-30 · VW 507.00 · ~4.3–4.6 L · every 15,000 km.
The same model with other engines
2.0 TSI / TFSI (EA888)1.0 / 1.2 / 1.4 / 1.5 TSI (EA211)2.7 / 3.0 TDI V63.0 TFSI V6 supercharged (Audi EA837)
Other models with the 1.4 / 1.6 / 2.0 TDI (EA288) engine
Volkswagen Golf VII 2012–2020Škoda Octavia III 2013–2020Audi A3 (8V) 2012–2020Volkswagen Polo V (6R/6C) 2009–2017Volkswagen Passat B8 2014–2023Škoda Superb III 2015–2023Škoda Octavia IV 2020–Audi A1 (8X) 2010–2018Volkswagen Tiguan II 2016–2024Audi A6 (C7) 2011–2018SEAT León III 2012–2020Volkswagen Caddy III 2004–2020
Sources and notes
Main sources for the faults of this engine:
- Schaeffler REPXPERT
- INA
- ContiTech
- motorenlager.de
- kfz-dietrich.com
- carwiki.de
- autocentrum.pl
- enginedna.com
- autoscore.pro
- torquecars.com
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles. How we check the data →
Updated 29/10/2026