50 Technical Description
Fuel injection (contd.)
1 3 5
>1900
A Hi A
y 1 3 5 y
~
2 4 R
589
_4
◊+++-
24
25
Fuel shut-off
With the throttle completely closed and engine speed
above 1800 rpm, fuel shut-off takes place after acer-
tain delay (about a second or so).
The injectors are re-activated when engine speed
drops below 1400 rpm. ·
Fuel consumption
The control module emits a fuel consumption signal
from pin 34. Basically, this signal is identical to the
output signal applied to injector No. 2 but has no elec-
trical connection to it. The fuel consumption signal is
used by the EDU.
Saab 9000
II\\
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