We have thoroughly studied the Audi 2.0 TDI CFGB engine and in this article we will examine its specifications, problems, failures, service life and reliability. We will also look at operating features: which oil to use, how often to change it, and what fuel consumption to expect under real-world conditions.

Audi 2.0 TDI CFGB: Problems and Failures

The Audi 2.0 TDI CFGB is a 2.0-liter turbocharged diesel engine from the Volkswagen Group's EA288 family, widely used in Audi models from 2013 to 2018. While generally regarded as a solid and efficient engine, it has a few known weaknesses that owners should be aware of. Below are the most commonly reported problems, typical mileages at which they appear, and indicative repair costs in EUR/USD.

Common Issues and Typical Repair Costs

  • EGR valve and cooler clogging (due to soot buildup)symptoms include rough idle, loss of power, and engine warning light. Often appears between 100,000–150,000 km (60k–90k miles). Repair cost: €400–€800 / $450–$900.
  • DPF (Diesel Particulate Filter) cloggingespecially if the car frequently does short trips. Symptoms: reduced performance, increased fuel consumption, warning light. Usually at 120,000–200,000 km (75k–125k miles). Cost of cleaning or replacement: €800–€1,800 / $900–$2,000.
  • Turbocharger actuator failureleads to overboost or underboost, limp mode. Can occur from 90,000–160,000 km (55k–100k miles). Repair: €600–€1,200 / $700–$1,400.
  • Oil leaks from valve cover gasket or crankshaft sealvisible oil spots, burning smell. Around 100,000–180,000 km (60k–112k miles). Cost: €150–€500 / $170–$560.
  • Timing chain stretch (less common than belt issues but reported)rattling noise on cold start, especially at higher mileage (over 200,000 km / 125k miles). Replacement: €1,000–€2,000 / $1,100–$2,200.
  • Fuel injector failurerough idle, misfires, white smoke, increased emissions. At 120,000–200,000 km. Replacing one injector: €300–€600 / $350–$670.

Prevention and mitigation: Most issues can be avoided with regular maintenance. Use high-quality, VW 507 00 approved 5W-30 oil, change oil and filter every 10,000-15,000 km (6k-9k miles), and ensure the car gets regular long drives to allow DPF regeneration. Use premium diesel and occasionally drive at highway speeds for 15-20 minutes. Check for oil leaks during each service and address small issues before they escalate.

Reliability and Service Life

Officially, Volkswagen Group does not provide a specific mileage claim for the 2.0 TDI CFGB, but it is designed to last the vehicle's lifetime with proper maintenance. In real-world service, many owners report trouble-free operation well over 250,000 km (155,000 miles). However, the overall lifespan is highly dependent on maintenance history and driving style. Well-maintained engines with regular oil changes and immediate attention to warnings often exceed 300,000 km (186,000 miles) without major overhaul, while neglected engines can suffer catastrophic turbo or DPF failures before 150,000 km (93,000 miles). Regular use of motorway miles and quality fuel are key to maximizing longevity.

Specifications

Engine Technical Specifications
  • Engine code: CFGB
  • Displacement: 1,968 cc
  • Configuration: Inline-4, turbocharged diesel
  • Bore / Stroke: 81.0 mm × 95.5 mm
  • Compression ratio: 16.0:1
  • Aspiration: Variable-geometry turbocharger
  • Power: 136 PS (100 kW) at 3,500–4,000 rpm
  • Torque: 320 Nm (236 lb-ft) at 1,750–2,500 rpm
  • Fuel system: Common rail direct injection (up to 2,000 bar)
  • Emission standard: Euro 5 / Euro 6 (depending on version)
  • Timing drive: Timing chain (permanent), no cam belt
  • Engine management: Bosch EDC17 / Continental
Maintenance Specifications
  • Oil specification: VW 507 00 (5W-30 low SAPS)
  • Oil capacity (with filter): 4.8 liters
  • Oil change interval (factory): 30,000 km / 2 years
  • Recommended oil change interval (for longevity): 10,000–15,000 km
  • Oil filter: Replace at each oil change
  • Air filter: Replace every 60,000–90,000 km (40k–56k miles)
  • Fuel filter: Replace every 90,000 km (56k miles) or every 3 years (pump often develops leaks if neglected)
  • Cabin filter: Replace every 2 years or 30,000 km
  • Timing chain: Inspect at 150,000 km (93k miles), replace if rattles
  • DPF cleaning: Often needed between 150,000–250,000 km
  • Real-world fuel consumption: 5.5–7.0 L/100 km (42–34 mpg US) depending on driving

Which Car Models Used This Engine

Vehicle Applications

  • Audi A6 (C7, incl. Allroad) – 2014 to 2018
  • Audi A5 (8T) – 2013 to 2016 (facelift)
  • Audi Q5 (8R) – 2013 to 2017
  • Audi A4 (B8.5) – 2013 to 2015
  • Volkswagen Passat (B8) – 2014 to 2018 (same engine family)
  • Volkswagen Tiguan (second generation) – 2016 to 2018 (as 2.0 TDI, different code but similar)

Owner Reviews

What Owners Say

  • Markus from Munich, Germany – 2015 Audi A6 2.0 TDI CFGB, 180,000 kmI bought it at 120,000 km. Only problem was the EGR valve at 140,000 km, covered under a goodwill repair. On the Autobahn it does 5.9 L/100 km. I change oil every 12,000 km with proper VW 507 oil. It's quiet and pulls well. I plan to keep it to 250,000 km.
  • Sarah from Leeds, UK – 2016 Audi A5 2.0 TDI, 90,000 milesMy A5 had the DPF light come on at 78,000 miles. The dealer said I do too many short trips. I now take it for a motorway run every week. It's been fine since. Fuel is around 44 mpg, not as good as claimed but okay. I wish the timing chain wasn't a lifetime item – I worry about it.
  • David from Bucharest, Romania – 2014 Audi Q5 2.0 TDI CFGB, 210,000 kmI had a small oil leak at the valve cover at 180,000 km – cost €200 to fix. The turbo still works fine, engine is quiet. I do oil changes at 10,000 km. It uses a little oil, half a liter between changes. Overall, a good towing engine.
  • Lars from Oslo, Norway – 2017 Audi A4 Avant 2.0 TDI, 130,000 kmI bought it used and the car had a full service history. It's been problem-free for 30,000 km so far. Cold starts are fine. Consumption is 6.2 L/100 km in mixed driving. The only downside is the AdBlue system, which can be expensive if it fails – but mine hasn't.

Verdict / Final Thoughts

The Audi 2.0 TDI CFGB is a dependable and efficient engine when maintained properly. It offers a good balance of performance and economy, making it a strong choice for used buyers. However, the main risks are DPF clogging from short trips, EGR deposits, and potential timing chain wear at higher mileage. Before buying a used car with this engine, check the service history, verify the DPF has been cleaned or replaced if high mileage, and ask about any recent turbo or injector work. Use VW 507 00 oil and do oil changes more often than the factory interval if you do mostly city driving. With regular care, this engine can easily reach 250,000 km or more. It suits drivers who do mixed or highway driving and want a torquey, frugal diesel.