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Home >> Cadillac >> 1995 >> DeVille Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.9L >> Pcm Code Charts >> Code P042, Front Oxygen Sensor Signal Lean >> Failure Conditions

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Failure Conditions

Oxygen sensor status stays lean (.365 volt or less) for more than 50.3 seconds.

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