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Saab
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2001
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9-5 Base, 4D Sedan, Standard
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Repair and Diagnosis
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Engine Performance
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System
›
Engine Controls - Self-Diagnostics
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Fault Code Diagnosis
›
P1131: O2S - Switch Point - Lean, Sensor 1
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OK Report
OK Report
Number of adapted combustions has dropped at some time during the driving cycle.