Saab DTC WIS
A page where you'll be able to lookup fault codes specifically for your Saab 93NG at first (later more models will follow) where you'll get the most likely solutions presented to you.
Work in progress
Powertrain related faults:
Ignition coils + spark plug related faults
Ionization module related faults
Battery related faults
T8 ECU related faults
ME9.6 (E55 ECU) related faults
EDC16C39 related faults
UEC related faults
Throttle body related faults
Engine wiring related faults
Body related faults:
ISM related faults
CIM related faults
ABS related faults
SCL related faults
AMP1 related faults
AFL/AHL related faults