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P2A01 Diagnostic Trouble Code Discussion for November 2016

Heated Oxygen Sensor (Bank 1 Sensor 2) Closed Loop Performance


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Trouble Ticket Help Requests for DTC P2A01
Help Request Posted
2007 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK55F17
P2A01: Heated Oxygen Sensor (Bank 1 Sensor 2) Circuit Malfunction. please someone throw me a bone. i have this dude in here seems like every week for this oxygen sensor. for 2 months ive ben fighting this thing performance on the sensor 2. i replaced it, came back. warrantied another later and another i replaced the cat. used...
November 09, 2016
2007 Chevrolet Express 1500 4.3L MIL Lamp on VIN: 1GCFG15XX7
P2A01: Heated Oxygen Sensor (Bank 1 Sensor 2) Performance. looks like bank 2 convertor can't store oxygen when you snap throttle. if you hold at 1500 rpm for 30 seconds then snap throttle 3 times the o2 sensors do change more than 200mv. just wonder if i replace convertor will it take care of my o2 sensor codes? Thank...
November 09, 2016