LEMON Manuals
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Dodge and Ram
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2002
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Neon Base, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0134: 1/1 O2 Sensor Stays At Center & DTC P0140: 1/2 O2 Sensor Stays At Center
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Possible Causes
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Possible Causes
Intermittent Condition
O2 Sensor Operation
O2 Sensor Ground Circuit Open
O2 Sensor Signal Open
O2 Sensor Ground Circuit Voltage Drop
O2 Sensor Signal Circuit Voltage Drop
PCM