Hallo ! I need help with this thing . The Check engine light is ON so I rented OBD scaner from Atozone ,and it pull out a code P0134 (CKT no activity bank 1 sensor 1) I had 02 sensor replaced , still the same problem , so i did replace spark plugs , new wire set , still won't help .
The car starts and drives great , but after about 15-20 min driving , it's start loosing power , like someone hold the car and you trying to push the pedal . feels like car can't breath or something .
Please help me or give me any idea what to look for ?
I guess it just need a bigger hammer ( ^_^ )

 

My diag sheet show me P0134 is 1/1 02 sensor stays centered. If you like a copy of the dodge diag sheet, just e-mail and I'll send it to you.

 

I have the same code on my caravan - "no activity" after replacement of the sensor. I suppose that means no connection to the sensor from the computer or bad computer. Looking for more help but figger to read voltages on black and gray leads and start unplugging connectors and changing the wd40.

 

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