Question about 2003 Chevrolet Impala

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Mechanic says I need a new catilytic converter

What does one go for if from the dealer?

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  • shaqspop May 31, 2009

    would the catalytic converter cause a car to bog down and lose power

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Most are around $500 from GM. If you are under 80,000 miles it is covered under emissions warranty. Check with the dealer. On some models there is a special policy covering it to 120,000. Good Luck

Posted on May 31, 2009

  • Mike White
    Mike White Jun 01, 2009

    Yes it will. The exaust has no place to go so it will run really bad. No power and miss are common symptoms. Hope this helps.

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