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Saab
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2003
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9-3 Vector, Automatic
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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TRIONIC T7 Fuel Control System
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Technical Description
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Closed loop
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Diagnostics, oxygen sensor 1.
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System reaction to a fault
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System reaction to a fault
Closed loop is blocked.
NOTE:
The oxygen sensor receives reference oxygen from the surrounding air via the connecting leads. For this reason, contact spray or grease must not be used on the oxygen sensor connector.