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Home >> Saturn >> 1992 >> SC Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls - Tests W/Codes - 4.9L) >> Pcm Code Charts >> Code P042, Front Oxygen Sensor Signal Lean >> Failure Conditions

Failure Conditions

WARNING: This page is about a different car, the 1995 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

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