how do you know if your cats have gone bad?
Aug 18, 2008 #1 R rexisme New Member Established Member Joined Jun 6, 2007 Messages 1,247 Location IN how do you know if your cats have gone bad?
Aug 18, 2008 #2 CobraMarkVIII New Member Established Member Joined Nov 28, 2006 Messages 2,265 Location MA For me, whenever cats in any of my cars went bad, the exhaust would smell a bit like rotten eggs. That or your exhaust may sound different due to them rotting out. As long as you pass the sniff test, i wouldn't worry about it IMO.
For me, whenever cats in any of my cars went bad, the exhaust would smell a bit like rotten eggs. That or your exhaust may sound different due to them rotting out. As long as you pass the sniff test, i wouldn't worry about it IMO.