Question about 2001 Chevrolet Monte Carlo

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Shaking while Idling and Smelly Exhaust

My 2001 Monte Carlo SS has a tendency to shake while idling, and also has a pretty noticeable bad smelling exhaust, almost like rotten eggs. The exhaust seems a little brown, but the warmer the day, the less noticeable the color is. It has about 115,000 miles on it, and sometimes while shaking the check engine light comes on, maybe about 20% of the time. Any ideas?

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It seems you may have a catalytic converter problem. Either the converter itself or one or more sensors. Take the car for a trouble code at an AutoZone or similar store for a free scan.

Posted on Apr 15, 2009

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Just a thought, have your valves checked, make sure theyre adjusted properly, as for the smell, no idea

Posted on Apr 15, 2009

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