I have a 06 grand prix and when i get on highway i get a smell but i still have full power. I have some shops tell me its the cat and some that tells me its not. is there anyway to test if the cat is bad or not.
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03-27-2012
I have a 06 grand prix and when i get on highway i get a smell but i still have full power. I have some shops tell me its the cat and some that tells me its not. is there anyway to test if the cat is bad or not.
03-27-2012
Describe the smell, padawan.Originally Posted by KickerGrandPrix
03-27-2012
its bad smelling like rotten food. but its only when i get on interstate.
03-27-2012
Rotten eggs? Sulfur? That's a bad cat. They're good for like 150,000 miles, typically.
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