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Saab
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2005
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9-5 Linear, Standard
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Repair and Diagnosis (Single Page)
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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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On-Board Diagnostics
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System reaction to a fault:
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System reaction to a fault:
Throttle control goes into limp-home mode. The limp-home solenoid will be activated 5 times in succession each time the ignition is turned on until the fault has been rectified and the trouble codes cleared.