Service & Repair Manual

24-4
Technical data
Engine identification ATQ (2.8 L / 5V/ 147 kW-engine)
Idle speed
Engine speed cannot be adjusted, it is regulated by idle
stabilization
720 to 820 RPM (front wheel drive)
630 to 730 RPM (all wheel drive)
Engine speed (RPM) limitation
via fuel injector shut-off about 6800 RPM
Fuel pressure at idle speed Vacuum hose
connected
3.2 to 3.8 bar
Vacuum hose
disconnected 3.8 to 4.2 bar
Residual pressure after 10 min. cold engine about 2.2 bar positive pressure
warm engine about 3.0 bar positive pressure
Fuel injectors Injection stream Dual-hole nozzle / same for all
injectors
Injection quantity (30
s)
90 to 125 ml.
Resistance
(room temperature)
1)
13.5 to 15.5
Pa
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