232 Fault diagnosis
Low boost pressure
Symptom of fault
Weak engine. The turbo/APC gauge gives a low
reading.
Conditions
No diagnostic trouble codes.
Diagnostic help
Note
Cars with a manual gearbox have basic boost pres-
sure in 1st gear.
The APC valve can be activated with the
ISAT
scan
tool.
·
-
Connect an ISAT scan tool.
- Select "ACTIVATE".
- Select "BOOST PRESS. VALVE".
Saab 9000
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