#45469 - 04/12/10 01:16 AM
Lack of Power, clogged cat?
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Registered: 07/30/07
Posts: 3294
Loc: Ames, Iowa
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My SES light came on for cat issue a few weeks ago and I do have a rough idle. Boost at all speeds has a harder time going to full bars on the dic. Car feels like its lacking power. Are these symptoms of a clogged cat?
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 Inferno Package/CAI/180tstat/3" DP/AL 104 XP's/3.8 MPS/Tuned
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#45470 - 04/12/10 02:45 AM
Re: Lack of Power, clogged cat?
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Registered: 08/09/03
Posts: 3256
Loc: Oregon
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Could be. Did you get your car scanned to see exactly what the SES light is saying?
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#45471 - 04/12/10 11:17 AM
Re: Lack of Power, clogged cat?
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Registered: 07/30/07
Posts: 3294
Loc: Ames, Iowa
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Something to do with capacity of cat I believe...
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Inferno Package/CAI/180tstat/3" DP/AL 104 XP's/3.8 MPS/Tuned
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#45472 - 04/12/10 11:21 AM
Re: Lack of Power, clogged cat?
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Registered: 10/23/07
Posts: 3523
Loc: Milwaukee, WI
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clogged cat my friend! Time for a catless dp, than just have someone delete the rear o2 codes and ull be golden!
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 Current: 2004 Dale Jr Monte SS Old: 01 3.2 intercooled GT RIP
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#45473 - 04/12/10 11:26 AM
Re: Lack of Power, clogged cat?
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Registered: 07/30/07
Posts: 3294
Loc: Ames, Iowa
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Originally posted by '01 GT:
clogged cat my friend! Time for a catless dp, than just have someone delete the rear o2 codes and ull be golden! I would take this route if I didn't have headers. So until I have time and money for install I'll take to dealer for warranty fix of cat and be done with it so I don't have to waste any money on that. A catless downpipe sounds tempting though..
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Inferno Package/CAI/180tstat/3" DP/AL 104 XP's/3.8 MPS/Tuned
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#45474 - 04/12/10 11:30 AM
Re: Lack of Power, clogged cat?
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Registered: 10/23/07
Posts: 3523
Loc: Milwaukee, WI
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the dealer wont touch it with headers on. they will say that caused your issue.
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Current: 2004 Dale Jr Monte SS Old: 01 3.2 intercooled GT RIP
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#45475 - 04/12/10 11:33 AM
Re: Lack of Power, clogged cat?
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Registered: 07/30/07
Posts: 3294
Loc: Ames, Iowa
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Lol I don't have headers on at the moment sorry that was misleading (my last message). I'm waiting to get my headers on, thats why I thought I would go to dealer for the "stock" treatment then this summer get headers on. I'm very tired this morning and we all know I can't explain things that well anyway...
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Inferno Package/CAI/180tstat/3" DP/AL 104 XP's/3.8 MPS/Tuned
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#45476 - 04/12/10 05:34 PM
Re: Lack of Power, clogged cat?
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Registered: 07/30/07
Posts: 3294
Loc: Ames, Iowa
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Went today and also got some Autolite XP iridiums (104)'s will those work well with my comp g as of where it sits now with just a CAI?
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Inferno Package/CAI/180tstat/3" DP/AL 104 XP's/3.8 MPS/Tuned
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#45477 - 04/12/10 10:19 PM
Re: Lack of Power, clogged cat?
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Registered: 04/08/08
Posts: 2647
Loc: Iowa City, IA
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you should use 605s until you drop a pulley size.
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'99 GTP, L36 bottom, XP cam, Headers, 3.29 gears, FWI, Powrtuner
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#45478 - 04/13/10 08:40 AM
Re: Lack of Power, clogged cat?
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Registered: 07/30/07
Posts: 3294
Loc: Ames, Iowa
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Is it alright to run the 104's since the comp g is more prone to knock?
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#45479 - 04/13/10 09:37 AM
Re: Lack of Power, clogged cat?
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Registered: 04/08/08
Posts: 2647
Loc: Iowa City, IA
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they're not really much more so than a standard 97-03 GTP. your choice, but you're going to foul up 104s quickly if you use them without needing them. stock pulley I would use 605s.
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'99 GTP, L36 bottom, XP cam, Headers, 3.29 gears, FWI, Powrtuner
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