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Saab
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2005
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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, 4-CYL.
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Fault Diagnosis, Fault Codes
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P1621: Internal Control Module Malfunction
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Notes
P1621: Internal Control Module Malfunction: Notes
Fig 1: Checking Internal Control Module Malfunction (P1621)
Courtesy of SAAB-SCANIA OF AMERICA, INC.
Courtesy of SAAB-SCANIA OF AMERICA, INC.