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how to tell if i have bad catalytic converter

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Old 12-16-2010, 01:55 PM
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how to tell if i have bad catalytic converter

so just recently my car has a huge lose in power and i have been noticing i have been hitting 15 pounds of boost.im all stock no stages

so i read this could be from a bad cat but just wanna get a little more info i called chevy and the cat is under warrent so i can get it replaced for free only if it is in fact a bad cat
Old 12-16-2010, 01:57 PM
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well if it burned off inside,, you can hit it from underneath and check if something rattles.... I did that on my cherokee and when we took it of it had a golf size ball of metal..
Old 12-16-2010, 01:58 PM
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If u get on it u shoud smell sulfer smell. If clogged ure car will run ok but not the same at idle or cruise or wot. U could hear somthing in the exaust as well.
Old 12-16-2010, 01:59 PM
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yeah i think imma just buy the zzp test pipe

Originally Posted by Chevycobaltss3
If u get on it u shoud smell sulfer smell. If clogged ure car will run ok but not the same at idle or cruise or wot. U could hear somthing in the exaust as well.
its real like hesitant and requires alot more gas to get going

Last edited by Ting-ting; 12-16-2010 at 01:59 PM. Reason: Automerged Doublepost
Old 12-16-2010, 02:09 PM
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Bad cat bro... they r known for it and covered under warranty. So replace it then get the zzp nd sale ure new stock downpipe
Old 12-16-2010, 02:10 PM
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would it cause me to lose a ass tone of power??like i build boost and go nowhere lol
Old 12-16-2010, 02:26 PM
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Originally Posted by Ting-ting
would it cause me to lose a ass tone of power??like i build boost and go nowhere lol
Yes.
Old 12-16-2010, 02:29 PM
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ok sweet nothing like warrenty
Old 12-16-2010, 02:49 PM
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Originally Posted by Chevycobaltss3
If u get on it u shoud smell sulfer smell. If clogged ure car will run ok but not the same at idle or cruise or wot. U could hear somthing in the exaust as well.
^ this
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