audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Fitting locations overview > < Rules for cleanliness
Motronic Injection and Ignition System (4-cyl.) 08.97ä
Servicing Motronic injection system
Technical data

Engine code

AGN

Idling speed
Not adjustable - controlled by the idling speed stabilisation

Manual / automatic gearbox: 800 rpm
(air conditioner switched off or no air conditioner fitted)
Manual / automatic gearbox: 880 rpm (air conditioner switched 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