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car bogs at mid throttle w/detonation

This is a discussion on car bogs at mid throttle w/detonation within the General Help forums, part of the LSx Technical Help Section category; So Ive had this problem for a while now and havent found an answer yet. The thing is, the car ...

  1. #1
    tattoo artist,esquire sic2001's Avatar
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    navy blue metallic
    2001 trans am

    car bogs at mid throttle w/detonation

    So Ive had this problem for a while now and havent found an answer yet. The thing is, the car runs PERFECT when its cold but as soon as it goes into closed loop whenever I put part throttle on it bogs and detonates like crazy, but if I floor it it goes WOT and runs hard.
    Ive done plugs,fuel pump,wires and the cats are only a few months old. Ive found this problem on other posts but not a one has an answer its very strange. Any help?

  2. #2
    rapter34
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    your using premium right?

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    tattoo artist,esquire sic2001's Avatar
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    navy blue metallic
    2001 trans am

    yep
    GMPP LS6 crate motor,racetronix,Wilwood 6 piston,HID's,200mph speedo,full dynomat, GY F1's,17" Y2K, Alpine audio upgrade,3" ele cutout, LT's, catted-Y, full suspension

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    rapter34
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    hmm thats kinda tricky have you ever checked out what your A/F ratio is? if thats too far out of wack that could casue detonation.

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    tattoo artist,esquire sic2001's Avatar
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    navy blue metallic
    2001 trans am

    i had the car dyno tuned and he didnt say anything looked out of wack . Im gonna take it to the dealership tommorow I guess, the car is just no fun to drive like this and it may cause some damage.

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    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71

    Got any mods we should know about? I agree, you might be lean.

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    Veteran 0rion's Avatar
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    06 duramax

    something you can check is the coolant temp sensor in the driver side head above spark plug #1. Noticed anything funny with the temp gauge in the car? Any access to a logger so you can see what the coolant temp is?

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    tattoo artist,esquire sic2001's Avatar
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    navy blue metallic
    2001 trans am

    Smile

    the gauge seems to react steady, I had the car tuned for a 160 thermostat. and put one in. What runs on cold start up that stops when its warm? An 02 sensor was just replaced but I think all this is emmision related. My next step is to throw house cat teeth and kill a rooster

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    Pewter
    2000 Trans Am

    are you getting an SES?

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    tattoo artist,esquire sic2001's Avatar
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    navy blue metallic
    2001 trans am

    no codes,just popping

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