The 2.3-liter Audi 2.3 NF engine was assembled at the concern’s enterprises from 1986 to 1990 and was installed only on the third generation of a very popular model with an index of 100. After not the biggest upgrade in 1990, this power unit became known as AAR.
|Power output, hp||136|
|Torque output, Nm||190|
|Cylinder block||cast iron R5|
|Block head||aluminum 10v|
|Cylinder bore, mm||82.5|
|Piston stroke, mm||86.4|
|Recommended engine oil||5W-40|
|Engine oil capacity, liter||4.5|
|Euro standards||EURO 2|
|Fuel consumption, L/100 km (for Audi 100 C3 1989)
|Engine lifespan, km||~340 000|
The engine was installed on:
- Audi 100 C3 (44) in 1986 – 1990.
Disadvantages of the Audi NF engine
- Most problems for owners are caused by malfunctions of the KE-III-Jetronic system.
- The reason for floating engine speeds is usually a dirty idle valve or air leaks.
- The cause of unstable operation is often clogged nozzles and a breakdown of the fuel pump.
- Also, a number of components of the ignition system have low reliability here.
- Closer to 200,000 km, hydraulic lifters often fail and start knocking.