Audi Workshop Service and Repair Manuals

Engine code letters

AHL, ARM

Idling speed
Not adjustable - controlled by the idling speed
stabilisation

760...960 rpm

Engine speed limiter
- shuts off injectors

approx. 6500 rpm

Ignition timing is determined by the control unit.
Ignition timing cannot be adjusted.

Ignition system

Twin-spark ignition system with two ignition coils

Spark plugs

Manufacturer's code1): F7LTCR (Bosch)
Part No.1): 101 000 051 AA (Bosch)
Tightening torque: 30 Nm

Spark plug connectors

Resistance approx. 5 kω

Firing order

1-3-4-2