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Old 06-14-2012, 01:44 PM   #1
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bad o2 sensor

Folks , i need our help how do know if you have a bad o2 sensor?
I'm driving 2 miles away today from my home then my all of sudden my exhaust sounds different and it shake fells like the engine going to die and the ' service engine soon light showed up. Appreciate your help guys. Thanks
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Old 06-14-2012, 02:08 PM   #2
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Go to autozone or some auto parts store and have them pull the code for you. That is the only way I know of. Is it shaking like its missing or did the idle just get rough?
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Old 06-14-2012, 02:30 PM   #3
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Quote:
Originally Posted by Voltage258
Go to autozone or some auto parts store and have them pull the code for you. That is the only way I know of. Is it shaking like its missing or did the idle just get rough?
Yea, feels like the engine is dying but it's not. Exhaust sounds weird. I have H pipe and 2 flowmaster 44 series and aCatback. Just drove the car less than 30 mins.
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Old 06-14-2012, 03:00 PM   #4
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Quote:
Originally Posted by Siendly22

Yea, feels like the engine is dying but it's not. Exhaust sounds weird. I have H pipe and 2 flowmaster 44 series and aCatback. Just drove the car less than 30 mins.
Do you have headers? Also how long ago did you install your exhaust parts?
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Old 06-14-2012, 03:10 PM   #5
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Originally Posted by Rm360

Do you have headers? Also how long ago did you install your exhaust parts?
I have my full exhaust for a year. I have X pipe before, yesterday I replace it to An H pipe. Car runs okay after I install H pipe. But this morning in less than 30 mins car acting weird the exhaust sounds different and the 'service light soon ' pops up and there's a vibration. I'm thinking maybe the o2 sensor is the prblem. But I'm not sure. Car is in good condition all in all. It just happen when I change my X pipe to H pipe Yesterday.
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Old 06-14-2012, 03:20 PM   #6
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Quote:
Originally Posted by Siendly22

I have my full exhaust for a year. I have X pipe before, yesterday I replace it to An H pipe. Car runs okay after I install H pipe. But this morning in less than 30 mins car acting weird the exhaust sounds different and the 'service light soon ' pops up and there's a vibration. I'm thinking maybe the o2 sensor is the prblem. But I'm not sure. Car is in good condition all in all. It just happen when I change my X pipe to H pipe Yesterday.
I would say the exhaust sounds different do to the x to h swap , they produce different tones, the vibration may be the h pipe is loose, when I did my exhaust with LT's my o2 light came on and my car never ran rough , it did run a bit rich but never rough, I drove it like that for awhile till I bought a tuner, I f you don't have a tuner you should take it to get it scanned as suggested above , it may be a different issue other than a o2
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Old 06-14-2012, 03:32 PM   #7
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Quote:
Originally Posted by Rm360

I would say the exhaust sounds different do to the x to h swap , they produce different tones, the vibration may be the h pipe is loose, when I did my exhaust with LT's my o2 light came on and my car never ran rough , it did run a bit rich but never rough, I drove it like that for awhile till I bought a tuner, I f you don't have a tuner you should take it to get it scanned as suggested above , it may be a different issue other than a o2
Thanks. I forget I have tuner lol... I'm suspecting the 02 sensor.
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Old 06-14-2012, 03:38 PM   #8
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Originally Posted by Siendly22

Thanks. I forget I have tuner lol... I'm suspecting the 02 sensor.
LOL!!!! Keep us posted after you check it out , I'm curious also!!!
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Old 06-14-2012, 03:46 PM   #9
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Yeah I have had O2 sensors go out and never has a problem running rough either but im not saying that it cant happen. And if it just started to run rough all of a sudden I almost want to say maybe you got bad gas? When was the last time you got gas? And that is just a theory I have no idea.

---------- Post added at 02:46 PM ---------- Previous post was at 02:45 PM ----------

Quote:
Originally Posted by Rm360

LOL!!!! Keep us posted after you check it out , I'm curious also!!!
Areed
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