LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Saab
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2002
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9-5 Arc, 4D Sedan
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Fault Code Diagnosis
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P1603: Internal Control Module - Malfunction
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Fault Criteria
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Fault Criteria
Defective ROM in processor 592.