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P0134 Diagnostic Trouble Code Discussion for August 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 Mazda MPV ES 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: JM3LW28A65
P0134: Heated Oxygen Sensor (Bank 1 Sensor 1) Lack of Activity. initally i thought this was going to be fairly painless vacuum leak, MAF, so on and so forth and it may be but im having trouble finding a place to start because all the HO2S voltage is at 0.01 all four of them but at the same time STFT is at -128. so why woul...
August 02, 2012