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Saab
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2001
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9-3 Base, 2D Hatchback, Standard
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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 P0420: Three Way Catalytic Converter Malfunction
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Notes
DTC P0420: Three Way Catalytic Converter Malfunction: Notes
Fig 1: Identifying Three Way Catalytic Converter
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Courtesy of SAAB-SCANIA OF AMERICA, INC.