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Cadillac
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1992
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DeVille Base, 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 - Tests W/Codes
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Pcm Trouble Code Diagnosis
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Pcm Code E44, Oxygen (O2) Sensor Lean Exhaust Signal
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Failure Conditions
Failure Conditions
O2 sensor status remains lean for more than 50 seconds.