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P0140 Diagnostic Trouble Code Discussion for May 2006

Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity


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Trouble Ticket Help Requests for DTC P0140
Help Request Posted
1996 Plymouth Grand Voyager SE 3.3L Misfire, MIL Lamp on VIN: 1P46P44R5T
P0140: Downstream O2s 1/2 stays center. SOS!!Replaced coil,crank sensor,checked wiring for #2 driver circuit for continuity,ok.No shorts to any other wiring.Have an older scope(Sun 2000 handheld),showed a pattern @ the PCM,none @ the coil.As I said,wiring checks out fine.Any suggestions will be GREA...
May 16, 2006
1996 Plymouth Grand Voyager SE 3.3L Misfire, MIL Lamp on VIN: 1P46P44R5T
P0140: Downstream O2s 1/2 stays center. SOS!!Replaced coil,crank sensor,checked wiring for #2 driver circuit for continuity,ok.No shorts to any other wiring.Have an older scope(Sun 2000 handheld),showed a pattern @ the PCM,none @ the coil.As I said,wiring checks out fine.Any suggestions will be GREA...
May 16, 2006