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tjh
03/13/2013, 06:02 PM
P0 party came and went .

P0134
H02S Circuit No Activity Bank 1 Sensor 1

P0135
HO2S Heater Circuit Malfunction Bank 1 Sensor 1

P0141
HO2S Heater Circuit Malfunction Bank 1 Sensor 2

P0154
H02S Circuit Insufficient Activity Bank 2 Sensor 1

P0155
HO2S Heater Circuit Bank 2 Sensor 1

P0161
HO2S Heater Circuit Bank 2 Sensor 2

All codes went away after some skinny pedal action while merging onto roadway.

I suspect maybe a wire-harness needs some attention ? Somewhere?:_thinking

Ldub
03/13/2013, 06:35 PM
My guess...CPU brainfart...if it comes back, I'm wrong...:_wrench:.:yesgray:

tom4bren
03/14/2013, 11:07 AM
X2

That's a lot of codes isolated to a small group of sensors. Sounds like a CPU brainfart to me too.

EVO
03/14/2013, 01:17 PM
Clean and check battery terminals, I had all kinds of codes pop up after I installed a new battery.....cleaned crude off the terminals and viola no codes!!!

tjh
03/15/2013, 05:37 PM
Codes are back on. Battery and terminals are new .

etlsport
03/19/2013, 04:11 AM
I would check the wiring going to O2 sensor.. If a couple wires melted together and are shorting it could cause that part of the ecm to freak out.

Please forgive the obvious question but is the battery installed with the proper polarities?

tjh
03/26/2013, 08:10 PM
I would check the wiring going to O2 sensor.. If a couple wires melted together and are shorting it could cause that part of the ecm to freak out.

Please forgive the obvious question but is the battery installed with the proper polarities?

Forgiven.

Battery is properly installed. I will check the o2 sensor wiring again.