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P0140 Diagnostic Trouble Code Discussion for September 2010

Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity

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Trouble Ticket Help Requests for DTC P0140
Help Request Posted
2005 Chevrolet Aveo LS 1.6L Poor Idle Quality, Stall, MIL Lamp on VIN: KL1TG52605
P0140: Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity. ... community college and have never worked on an Aveo before. This is a student's car. She says that it sometimes stalls when she slows for a corner and the idle does fluctuate and come close to stalling in the shop. It runs fine otherwise. Filters, plugs al...
September 28, 2010