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#1
10-06-2008, 07:54 PM
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1997 Firebird Computer code clarification
I have a 1997 Firebird. 3.8 Liter V6 Engine. Service Engine light came on and it shows a code number that according to the service manual says
"Catalyst system effeiciency below threshold". What does this mean and how do you fix it? I am thinking it is the catalytic convertor, but not sure. Any help would be appreciated. thanks in advance, JMAC 
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#2
10-09-2008, 02:17 AM
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Re: 1997 Firebird Computer code clarification
Does it seem to loose power after driving a while? Put oxygen sensors in it yet?
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#3
10-09-2008, 02:42 PM
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Re: 1997 Firebird Computer code clarification
Actually it never loses power that I can really tell. I did put new oxygen senors in it. But it didn't correct the problem. I am looking at other things like maybe catylitic converter. I will post as I find something.
thanks, JMAC
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