The 3.0-liter turbocharged Audi CAJA 3.0 TFSI engine was produced from 2008 to 2011 and was installed only on the restyled version of the sixth generation A6 model with all-wheel drive. There was an analogue of this power unit for the American market under the CCAA index.
EA837 family: BDW, AUK, BDX, CAJA, CGWA, CGWB, CREC.
Specifications
| Production years | 2008-2011 |
| Displacement, cc | 2995 |
| Fuel system | direct injection |
| Power output, hp | 290 |
| Torque output, Nm | 420 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 89 |
| Compression ratio | 10.5 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on the intake shaft |
| Turbocharging | compressor |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.5 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Audi A6 2009) — city — highway — combined |
13.2 7.1 9.4 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 190 |
The engine was installed on:
- Audi A6 C6 (4F) in 2008 – 2011.
Disadvantages of the Audi CAJA engine
- The most famous problem of the motor is the oil burner due to scuffing in the cylinders;
- Another cause of lubricant consumption is often a defective oil separator;
- Cracking when starting the engine hints at the critical wear of the timing chain tensioners;
- The low resource here is different pump and high pressure fuel pump;
- After 100,000 km, catalysts often pour out, and their particles are drawn into the cylinders.
Frequently asked questions about the Audi CAJA
How much power does the Audi CAJA make?
The Audi CAJA develops 290 hp and 420 Nm of torque.
How much oil does the Audi CAJA take and which one?
Engine oil capacity: 6.5 liters. Recommended oil: 5W-30.
Does the Audi CAJA have a timing belt or chain?
The Audi CAJA uses a timing chain.
Is the Audi CAJA turbocharged?
Yes, the Audi CAJA is turbocharged (compressor).
Does the Audi CAJA need valve clearance adjustment?
No, the Audi CAJA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi CAJA last?
The typical lifespan of the Audi CAJA is ~250 000 km with proper maintenance.
What is the fuel consumption of the Audi CAJA?
Audi A6 2009: city 13.2, highway 7.1, combined 9.4 L/100 km.
What cars was the Audi CAJA installed on?
Audi A6 C6 (4F) in 2008 - 2011.
What are the common problems of the Audi CAJA?
The most famous problem of the motor is the oil burner due to scuffing in the cylinders. Another cause of lubricant consumption is often a defective oil separator. All known problems.





