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Saab
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2004
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9-5 Linear, Automatic
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Repair and Diagnosis
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Engine Performance
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TRIONIC T7 Fuel Control System
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Fault Diagnosis, Fault Codes
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DTC P1492: EVAP Tank Pressure Sensor Value Too Low When Depressurized & Fuel Level Sensor Malfunction
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On-Board Diagnostics
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System reaction to a fault:
System reaction to a fault:
Fig 1: Trionic Circuit Diagram
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Integrity diagnosis of purge system blocked. Purge and fuel adaptation blocked.