audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fitting locations overview > < Rules for cleanliness
Motronic Injection and Ignition System (4-cyl.)
Servicing Motronic injection system
Technical data

Engine code letters

AGN

Idling speed
Not adjustable - controlled by the idling speed stabilisation

Manual gearbox 800 rpm (air conditioner on or off)
Automatic gearbox 800 rpm (air conditioner off)
Automatic gearbox 860 (air conditioner on)

Engine speed limiter
- shuts off injectors

6800 rpm

Fuel pressure at idling speed

Vacuum hose connected

approx. 2.5 bar

Vacuum hose disconnected

approx. 3 bar

Holding pressure after 10 minutes

at least 1.5 bar

Injectors

Spray pattern

Two-hole injector

Injection qty. (30 s)

85....105 ml

Resistance (room temperature)1)

13....18 ω

1)    When the engine is at operating temperature the resistance is increased by approx. 4...6 ω.

Fitting locations overview > < Rules for cleanliness