any one got this problem or have the right part number for the first and second o2 sensor? and who had this problem but now its fixed?
It may help more than you know. Keep us up dated. I would like to know if this has helped.After several trips to the dealer and the light continues to come back on (saying misfire code). My light has now gone out and has been out for a week - but still poor performance and poor mileage (25% reduction in both).
The dealer now says I have a bad cat conv and can be replaced under the 80k warranty for free. I doubt this will fix my problem, but at least it's free.
wow, sounds like a real interesting drive to the dealer. hope all is good now. I diconnected my batt. and it reset the light. I'm waiting for it to come back on. I borrowed a obdII reader and it said "link failure", (this is before I disconnected the batt). Anyway, I was not about to replace the sensor without knowin for sure. BTW had some interesting brake problems too. I posted that on different post.check post on 06 g6 big problems for update
by the way my cat was not clogged just malfuntioning so the o2 sensor was reading the wrong signals making bad adjustments, no warranty but new cat was free so im assuming a few cars have has this problem(when i mentioned bad running g6 they instantly said cat lol) they also told me it was clogged lol but babying it over to the dealer.... after 4 miles of barely gassing it at 20 it started to get better, alot better, but another 2 miles of flooring it it started getting less and less power and gradually acting up more. went back and forth a few times like this till i got there, by the way it wasnt like turning on a light switch power gain was gradual and loss was gradual it just depended on if i drove it 1/3 trottle or laid into it a bit
i just read this again & had to tell you...my problem felt very similar (almost ok when babied, but straight to heck when pushed evn a bit)check post on 06 g6 big problems for update
by the way my cat was not clogged just malfuntioning so the o2 sensor was reading the wrong signals making bad adjustments, no warranty but new cat was free so im assuming a few cars have has this problem(when i mentioned bad running g6 they instantly said cat lol) they also told me it was clogged lol but babying it over to the dealer.... after 4 miles of barely gassing it at 20 it started to get better, alot better, but another 2 miles of flooring it it started getting less and less power and gradually acting up more. went back and forth a few times like this till i got there, by the way it wasnt like turning on a light switch power gain was gradual and loss was gradual it just depended on if i drove it 1/3 trottle or laid into it a bit
Oh crap. That is messed up. did you ever have any of the 02 sensors replaced? What was the readout on the OBD? Ya know..technology is great but when things start going awry..so much time and $$ is lost. I'd consider just ignoring the light but, here in California, when it's time for the smog check, it will poke me in the eye and my wallet once again. :3stooges:UPDATE on engine light...
The Cat Converter was replaced & the car has been running well... BUT NOW the check engine light has now come back on, very slight engine stutter from time to time, but only a slight difference in fuel economy. The lights goes on & off every 500 miles. I'm not going back til something falls off this thing... don't know what to think