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P0140 Diagnostic Trouble Code Discussion for November 2007

Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity

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Trouble Ticket Help Requests for DTC P0140
Help Request Posted
1998 Kia Sportage 2.0L Poor Idle Quality, MIL Lamp on VIN: KNDJA7233W
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) No Activity Detected. Hello Kia Guru's. I've got this sportage which has had multiple rear o2's thrown at it. This vehicle tends to idle high and this seems to be dependant on the TPS sensor. If I reve the engine to 3000 rpm's it will take approximately 20 seconds to return to idle...
November 02, 2007
1998 Dodge Neon High Line 2.0L Misfire VIN: 1B3ES47Y0W
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Signal Remains At Center. tested injectors, no problem found. ohm to 12 ohms. used external injector testor and cycled injectors through the pcm harness and measured amp with labe scope. they were consitant .8 to 1 amp. installed a 2 amp fuse on the injector power feed by splicing into...
November 13, 2007