Audi Workshop Service and Repair Manuals > A4 Mk1 > Power unit | Motronic Injection and Ignition System (4 cyl.)>06.96 | Mixture preparation system, electronic inj.,Gas | Servicing Motronic fuel injection system

Motronic Injection and Ignition System (4 cyl.)>06.96

Servicing Motronic fuel injection system

Technical data

Engine code letters		ADP	ADR	AEB
Idling speed -Idling speed is not adjustable, and is controlled by the idling speed stabilisation		820...900 rpm	820...900 rpm	820...900 rpm
Engine speed limitation -by deactivation of injectors		6500 rpm	6800 rpm	6800 rpm
Fuel pressure -at idling speed	vacuum hose connected	approx. 3.5 bar
	vacuum hose disconnected	approx. 4 bar
Holding pressure after 10 minutes		at least 2.5 bar
Injectors	Spray pattern	Single hole nozzle	Two hole nozzle	Two hole nozzle
	Injection quantity (30 s)	85...105 ml	85...105 ml	130...150 ml
	Resistance*	14...16 ohm	11...13 ohm	11...13 ohm

*) Engine cooled down to room temperature. With the engine at operating temperature the resistance increases by approx. 4...6 ohm.

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