LEMON Manuals
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Cadillac
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1992
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Seville Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes
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Pcm Code Charts
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Pcm Code E048, EGR System Fault (1 Of 2)
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Failure Conditions
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Failure Conditions
O2 sensor fails to indicate a leaner mixture in at least 3 of 5 tests during key cycle.