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P0030 Diagnostic Trouble Code Discussion for May 2005

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0030
Help Request Posted
2001 Oldsmobile Aurora 4.0L MIL Lamp on VIN: 1G3GS64C92
P0030: Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction. ... Aurora that came in initially with a code P0140. We went through the flow of diagnosis from Alldata and concluded that during a previous major repair, the fresh air tube to bank one was crushed and no fresh air was being injected to speed catalyst. We repa...
May 05, 2005