Porsche 1972 911 Workshop Manual page 274

A d j u s t i n g I n s t r u c t i o n s
11. Wait until CO tester shows exhaust concentra-
tion a t i d l e speed.
Test specifications, see page
If necessary, repeat adjusting procedure.
12. Recheck idle speed and correct, if necessary.
After completion of adjustments, insert plug
13.
in mixture control unit and attach air in-
jection hose.
-
e.
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