Mike's Workshop Manuals
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Oldsmobile
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1989
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Cutlass Calais Base, 4D Sedan, Standard
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Repair and Diagnosis
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Engine Performance
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System
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2.3L PFI Tests W/Codes
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Diagnosis & Testing
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Chart B-1, Restricted Exhaust System Check
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Notes
Chart B-1, Restricted Exhaust System Check: Notes
Before any components are replaced, exhaust system must be checked for restrictions.