Thread: 04+ hot start issue

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  1. #1 04+ hot start issue 
    SE Level Member tu8i1o7's Avatar
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    I've seen posts on this before... but for the life of me can't find them again. My 05 comp g has an issue after starting it warm. When I start it up first thing in the morning, it's fine. But if i turn it off for a few minutes, up to an hourish, it idles low, misfires, and acceleration is sluggish along with crappy gas mileage. I have heard there is a tsb for this... HEARD there's one, not sure. I just recently got hptuners and am wondering if there is anything i should scan for to help troubleshoot this. I have just recently dialed in my fuel trims hoping it would help... but same issue. Just for regular maintainence I have changed out plugs, cleaned tb and maf, and also replace lim gasket... no change in condition. Mods are s1x, 3.4 pulley, fwi, 180 stat, al 104's, and i'm working on the tune. Any help would be appreciated.
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  2. #2 Re: 04+ hot start issue 
    I live here. SlowNA06's Avatar
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    OHDEARGODYOUNEEDHEADERS


    And a new cat.
    Irridium spark plugs last 100k mi and work just as well as copper. Copper is a waste on N/A and only lasts 15k mi. Don't use Platinum.
    Use 195* tstat unless you can thoroughly explain why not; 99.9% don't need a lower temp.
    Almost any oil filter, ever, is of higher quality than ACDelco. Spend $6+.
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  3. #3 Re: 04+ hot start issue 
    SE Level Member tu8i1o7's Avatar
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    Haha oops forgot about those... speed daddy headers with 3inch high flow cat and 3inch catback with borla mufflers. I've been in this game for a while, but turn stupid when I have an issue I can't figure out. And this one has been bugging me for a while now.
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