If the engine will crank but not start, it may be the fuel pump has failed. Diagnosis may find no fuel pressure when attempting to start the engine.
Car Problem Reports
Saab 9-3 Crank but No Start Condition and No Fuel Pressure
Saab 9-3 Problem
Engines Affected: 2.0L 4 Cylinder Turbo, 2.3L 4 Cylinder Turbo
Average Mileage: 127,500 mi (122,000 mi - 133,000 mi)
Visitor, 1999 Saab 9-3, 2.0L 4 Cylinder Turbo, 122,000 mi
Car died in the middle of the street, cranked but wouldn't turn over. diagnosed as faulty fuel pump, replaced.