99 buick 3.1L throwing P0134 code AFTER new O2 sensor - Other Cars Forum

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99 buick 3.1L throwing P0134 code AFTER new O2 sensor
Monday, May 14, 2007 1:32 AM
Well, i had a friend that ran a blue second gen cavi back at the kent street races in WA and he said you guys were the j body PIMPZ, so since i had a 3.1 question, i thought i'd ask you guys.

I installed a LC1 Lambda cable and simulated the NB02 ECU input with the wideband controller, and after a few minutes i got a code P0134 faulty 02 sensor bank one sensor one. i attributed this to cutting the old o2 out, and simulating it, but when i reconnected the o2 sensor heater wires, it didnt help. so I figure, something must have fried right?? I go out and buy new replacement sensor, and as soon as i plug it in, the code disappears, and its all good. Then 15 minutes down the road the cel went active again, and it is yet another P0134. I cleared the code this morning, and by this afternoon (and less than 5 miles of driving) it was back.

Any ideas?

Feel free to relocate this to a tech forum if i misplaced this.

Re: 99 buick 3.1L throwing P0134 code AFTER new O2 sensor
Monday, May 14, 2007 5:30 AM
How many miles?
How are your cats?



05 M6 YJ GTO 1 of 447 12.767@109.93
Re: 99 buick 3.1L throwing P0134 code AFTER new O2 sensor
Monday, May 14, 2007 12:27 PM
well, the car has about 130k on it, but it was owned by a midwestern cow farmer, and most of its miles were tenderly maintained highway miles.

As for the cat i dunno, but the only codes its ever thrown before was for the transmission, and wouldn't it throw a downstream o2 sensor code if there were a cat problem?
Re: 99 buick 3.1L throwing P0134 code AFTER new O2 sensor
Monday, May 14, 2007 4:16 PM
or a cat code?
Re: 99 buick 3.1L throwing P0134 code AFTER new O2 sensor
Tuesday, May 15, 2007 6:01 PM
What is the voltages that you are reading in KOSO and KOSR.




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Re: 99 buick 3.1L throwing P0134 code AFTER new O2 sensor
Thursday, May 17, 2007 10:02 PM
we got it nailed down, thanks for the advice guys
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