Engine Audi AAE

The 2.0-liter mono-injection Audi AAE engine was assembled at the factory from 1990 to 1996 and installed on the popular 100 C4 model in the 45th body, and also the similar A6. The low power of this motor is due to the presence of the Mono-Motronic injection system.

The EA827 2.0l series includes: 2E, AAD, AAE, ABT, ABK, ADY, AGG, ABF, ACE.


Production years 1990-1996
Displacement, cc 1984
Fuel system Mono-Motronic
Power output, hp 101
Torque output, Nm 157
Cylinder block cast iron R4
Block head aluminum 8v
Cylinder bore, mm 82.5
Piston stroke, mm 92.8
Compression ratio 9.2
Features SOHC
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 3.0
Fuel type petrol
Euro standards EURO 1
Fuel consumption, L/100 km (for Audi 100 1991)
— city
— highway
— combined
Engine lifespan, km ~300 000

The engine was installed on:

  • Audi 100 C4 (4A) in 1990 – 1994;
  • Audi A6 C4 (4A) in 1994 – 1996.

Disadvantages of the Audi AAE engine

  • The main problems for owners are caused by malfunctions in the Mono-Motronic system;
  • The reason for unstable operation is most often air leakage or sensor failure;
  • In second place in frequency is the failure of the components of the ignition system;
  • The timing belt lasts about 90,000 km, but when it breaks, the valves usually do not bend;
  • On long runs, an oil burner and knocking hydraulic lifters are often found.

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