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Strange Idle after Cattless install

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Old Dec 16, 2009 | 08:10 PM
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jcutler's Avatar
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From: Under your bed
Strange Idle after Cattless install

Ok so here is the deal mods are CAI, Header/DP/CBE no cat's HUGE mistake WAY to loud. But since this I have had issues with the car idling. Like it will bounce between 1k-2k and sometimes just cut off. Possible issue from running cattless and the o2 sensor. I have a bung drilled into my DP and have on installed in the header and dp.

I am putting 2.8 and 60 pound injectors on w/ a tune sometime this week. Will this cure the issue?

Also, is there a way to have a cat weld'd on the DP w/ out giving up a huge performance? Thanks guys!!!
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Old Dec 16, 2009 | 09:01 PM
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thats not because of it not being catless, sounds like you may have a bigger problem
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Old Dec 16, 2009 | 09:02 PM
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is your car tuned for the 2.8 60s?
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Old Dec 16, 2009 | 09:04 PM
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the diff. between a high flow cat and catless migghht be 1-2 whp on an lsj, but the sound of catless is not worth it
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Old Dec 16, 2009 | 09:04 PM
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ive had it tuned for that while back... im not sure whats going on with yours, its like a MAF more than likely
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Old Dec 16, 2009 | 09:05 PM
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Originally Posted by jonxxxedge1
is your car tuned for the 2.8 60s?
those from my understanding havent been installed so im gonna say no thats not the problem. could be the maf?
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