Question about 2005 Chevrolet Impala

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2005 impala with 144,000. I have had the co2 sensor replaced 3 times driving less than 2800 miles. what is causing this?

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  • mike Calery Nov 06, 2012

    is there away to see if it it plugged? Thanks for the response.

  • wtdash Nov 06, 2012

    Hi, Other than just disconnecting the exhaust in front of the converter, I don't know. You'll need a shop most likely.Td



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  • 550 Answers

CO2 or just O2 sensor? O2 sensor may be going bad due to blocked/plugged catalytic converter. This can be replaced @ muffler shop...use a 'universal' type catalytic converter to save some money - you don't have to use a manufacture unless your state requires it.


Posted on Nov 06, 2012


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Posted on Jan 02, 2017

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SOURCE: transmission problems

I had a 01 impala that was **** too. switched to Ford and havent been to the shop since. If you look at the question breakdown for this website you will see 5 times as many posts for chevys than fords. However, you could have gotten a bad rebuild too. I had a rebuild done once and they boke most of the bolts that held the transmission in and didnt replace them.

Posted on Sep 30, 2009

  • 33 Answers

SOURCE: 1994 Chev Cavalier - engine light comes on randomly

One cause of the light to come on randomly is a loose gas cap. If it's not replaced tightly (turned until it clicks three or four times) it throws the light on. It's one thing to check anyway.

Posted on Nov 30, 2009

  • 56 Answers

SOURCE: My chevy impala jerks while I am driving

rotate and balence the tires

Posted on Jan 26, 2010

  • 1152 Answers

SOURCE: 2003 Impala with 3.4-after replacing radiatior,

I would suggest checking to see if themostat is installed properly and the temp range is correct for your vehicle. You can read more about heating issues in my tips section.

Posted on Feb 05, 2011

  • 177 Answers

SOURCE: 2005 Impala LS 3.8

I don't think it's anything major. Did you change the filter when you changed the fluid? Lots of time this will fix shifting issues. Also you can get some Lucas transmission treatment, it works pretty good. A filter change and treatment should fix it. The filter is pretty easy to change. You need to pull the trans oil pan off and remove the filter. Some of em just slip in, while others are bolted in. Then just put it all back together. Make sure you get the filter kit, which comes with a new pan gasket. Before you put the new gasket on, make sure to remove all traces of the old gasket. The bolts on the oil pan don't need to be over tightened, just get em snug. Hope this helps

Posted on Jun 28, 2011

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I would have the 2005 Chevy Impala's computer scanned for codes to see what is causing the check engine light to go on. It is not unusual for a 'miss' or an O2 sensor to go bad on such a high mileage vehicle.

Have it checked, though, in order to pinpoint the problem sooner.

Good luck on this repair.

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