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P0154 Diagnostic Trouble Code Discussion for January 2012

Heated Oxygen Sensor (Bank 2 Sensor 1) Signal Remains At Center

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Trouble Ticket Help Requests for DTC P0154
Help Request Posted
2003 GMC Savana 3500 6.0L Cuts out, MIL Lamp on VIN: 1GDHG31U33
P0154: Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Activity. i have this truck and i am hoping i could get some help not sure where to go from here..problem is that the engine turns over fine but but will not fire unless you press the gas pedal down as soon as you let go it stalls only cold when it warms up it runs fine...
January 06, 2012