Car is making clunking sound and smells like rotten eggs

Tiny
MORVEN SHORTT
  • MEMBER
  • 2002 RENAULT SCENIC
  • 74,000 MILES
Car was running well, no warning lights nothing. Went to drive it on friday, there was ajuddering, a clunking sound and a smell like rotten eggs. Help
Saturday, June 9th, 2012 AT 3:23 PM

1 Reply

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
That sounds like the catalytic converter has rotted internally and collapsed in on itself. It needs to be replaced. Try tapping it with hand or rubber mallet to listen for loose material to check it for sure.
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Saturday, June 9th, 2012 AT 5:30 PM

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