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how to check Catalytic Converter
Can anyone tell me how to check a Catalytic converter ? I have a 94 Lesabre with 209,000 miles and all original exhaust, now and then it smells hot and like oil burning or like Rotten eggs ?.
Check engine light has never come on yet, also is it advisable to check the coils 1 at a time (30.00 each)I can't afford to just throw parts at it so I would like to pinpoint the problem, Thanks for any and all Replies.
Rick
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