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Old 08-18-2010, 03:03 PM   #5
bezerk19
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Re: 2003 Buick Century Sputtering

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Originally Posted by bezerk19 View Post
Looking at some other postings online some people are pointing towards the catalytic converter, is it real difficult to replace this part? I've seen it selling at Autozone for $300 and Midas charges about $400 for parts and labor. I just don't want to spend that much money and find out thats not the problem.
FYI, I ended up taking the car to the dealer and the problem is the catalytic converter, they tested this by removing the O2 sensor and running the car worked fine, once you connect the O2 sensor the car has the same problem, which lead them to believe that the catalytic converter needs to be replaced.
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