OMFG someone please help me.
11-16-2007, 02:37 PM
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OMFG someone please help me.
I just got the stage 2 installed and i also have the vibrant 3 inch exhaust already installed. My check engine light keeps coming on from something with my cat. Now the tech said that it could be cuz there is not enough backpressure. Is he right? Or if hes not what could it possibly be. Would a high flow cat help? Would a smaller pulley help to lean out the tune? Thanks for all the help guys.
11-16-2007, 03:07 PM
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Oh ok i appreciate that now does anyone live in the central part of virginia I live in Chesterfield and am close to Powhatan Amelia and Dinnwiddie. If anyone has hpt and lives in my area I would greatly appreciate the help.
11-16-2007, 04:18 PM
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clogged cat maybe? that happend to me with my cat but stuffy
any new noises at all during acceleration?
any new noises at all during acceleration?
Last edited by 07cobaltss; 11-16-2007 at 04:18 PM. Reason: Automerged Doublepost
11-16-2007, 04:20 PM
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You might have a bad cat 
i cooked mine on the stock tune ....... Just go catless and have the P0420 code your getting tuned out with HP tuners ,It make life a lot easer.....
i cooked mine on the stock tune ....... Just go catless and have the P0420 code your getting tuned out with HP tuners ,It make life a lot easer.....
11-17-2007, 08:30 AM
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Oh yea I forgot to tell yall this is the new cat. My other one blew up and chevy just put the new one on and he said something about how the car wont recognize it for 100 miles. This is def not a bad cat though since it was just replaced because of a bad cat before.
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