Testing And Adjusting Specifications - Porsche 928 Workshop Manual

928 Electronic Fuel Injection
24
a
TESTING AND ADJUSTING SPECIFICATIONS FOR AFC
(1980/1981/1982/1983 Models)
Test Point
Specifications
Electric fuel pump
Delivery rate
at least 1150 cc/30 sec.
Fuel pressure
(engine stopped)
Fuel pump bridged
Check value for idle
2.5 2 0.2 bar
approx. 2 bar
Leak test
Min. pressure after
20 minutes
1 bar
Idle adjustments
Idle speed
co level
750 2 50 rpm from Mod. 83
650 + 50 rpm
0.4 - 0.8 %
(measured in front of
catalytic converter
with oxygen sensor plug
disconnected)
Remarks
a
Printed in Germany VII, 1983
Testing and Adjusting Specifications
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