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P0134 Diagnostic Trouble Code Discussion for September 2012

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

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Trouble Ticket Help Requests for DTC P0134
Help Request Posted
2005 Pontiac Grand Prix GT 3.8L MIL Lamp on VIN: 2G2WS52205
P0134: Heated Oxygen Sensor (Bank 1 Sensor 1) Insufficient Activity. ... poor idel quality, surge on acceleration, progressive loss of power, misfiring, and intermitent stalling. checked TSB's, found one for p0300 recomended reflash and updates for comp. did that, replaced cat, HO2 S1 B1, and MAF sensor. vehicle seemed to run a...
September 21, 2012