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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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P1231: Throttle Position Sensor 1 & 2 Circuit - Sum Out Of Range (No Limp Home)
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Notes
P1231: Throttle Position Sensor 1 & 2 Circuit - Sum Out Of Range (No Limp Home): Notes
Brief disturbances in throttle valve control that cause the engine to jerk.
Fig 1: Throttle Position Sensor 1 And 2 Circuit - Circuit Diagram (Sum Out Of Range - No Limp Home)
Courtesy of SAAB-SCANIA OF AMERICA, INC.