Porsche 928 Workshop Manual page 431

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928
Fuel
Mixture
25
TESTlNG
AND
ADJUSTING
SPECIFICATIONS
FOR
K-JETRONIC
(1979
Models
-
Manuals
USA
and
Japan)
Test Point
Electric
fuel pump
Delivery
tate with
2
fuel
pumps
Control
pressure
"cold"
(= ambient
temperature)
a
Control
pressure
"watm*
Test with
pressure
(without
vacuum)
Connect
vacuum
pump for
test on intake
pressure
connection
of warm-up
control.
Test pressure
450 - 550 mbar (340 -
420 mmHg)
Specification
at Ieasr 1360 cc/30
seconds
Diagram
for warm-up
control
Part No.
9'28.606.109.03
Bosch No.
0438.140.063
Test vacuum
450 - 550 mbar
(340 - 420 mmHg)
2.8 . . . 3.2 bar
3.4 ,._
3.8 bar
Remarks
Printed
inGermany
-
IV,
1980
Testing
and Adjusting
Specifications
2s - 6 c

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